220376520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 432

約数和(自身を含む): 927124380

約数和(自身を除く): 706747860

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 31, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 62, 63, 65, 70, 72, 78, 84, 90, 91, 93, 98, 104, 105, 117, 120, 124, 126, 130, 140, 147, 155, 156, 168, 180, 182, 186, 195, 196, 210, 217, 234, 245, 248, 252, 260, 273, 279, 280, 294, 310, 312, 315, 360, 364, 372, 390, 392, 403, 420, 434, 441, 455, 465, 468, 490, 504, 520, 546, 558, 585, 588, 620, 630, 637, 651, 728, 735, 744, 780, 806, 819, 840, 868, 882, 910, 930, 936, 961, 980, 1085, 1092, 1116, 1170, 1176, 1209, 1240, 1260, 1274, 1302, 1365, 1395, 1470, 1519, 1560, 1612, 1638, 1736, 1764, 1820, 1860, 1911, 1922, 1953, 1960, 2015, 2170, 2184, 2205, 2232, 2340, 2418, 2520, 2548, 2604, 2730, 2790, 2821, 2883, 2940, 3038, 3185, 3224, 3255, 3276, 3528, 3627, 3640, 3720, 3822, 3844, 3906, 4030, 4095, 4340, 4410, 4557, 4680, 4805, 4836, 5096, 5208, 5460, 5580, 5642, 5733, 5766, 5880, 6045, 6076, 6370, 6510, 6552, 6727, 7254, 7595, 7644, 7688, 7812, 8060, 8190, 8463, 8649, 8680, 8820, 9114, 9555, 9610, 9672, 9765, 10920, 11160, 11284, 11466, 11532, 12090, 12152, 12493, 12740, 13020, 13454, 13671, 14105, 14415, 14508, 15190, 15288, 15624, 16120, 16380, 16926, 17298, 17640, 18135, 18228, 19110, 19220, 19530, 19747, 20181, 22568, 22785, 22932, 23064, 24180, 24986, 25389, 25480, 26040, 26908, 27342, 28210, 28665, 28830, 29016, 30380, 32760, 33635, 33852, 34596, 36270, 36456, 37479, 38220, 38440, 39060, 39494, 40362, 42315, 43245, 45570, 45864, 47089, 48360, 49972, 50778, 53816, 54684, 56420, 57330, 57660, 59241, 60543, 60760, 62465, 67270, 67704, 68355, 69192, 72540, 74958, 76440, 78120, 78988, 80724, 84630, 86490, 87451, 91140, 94178, 98735, 99944, 100905, 101556, 109368, 112437, 112840, 114660, 115320, 118482, 121086, 124930, 126945, 134540, 136710, 141267, 145080, 149916, 157976, 161448, 169260, 172980, 174902, 177723, 182280, 187395, 188356, 197470, 201810, 203112, 224874, 229320, 235445, 236964, 242172, 249860, 253890, 262353, 269080, 273420, 282534, 296205, 299832, 302715, 338520, 345960, 349804, 355446, 374790, 376712, 394940, 403620, 423801, 437255, 449748, 470890, 473928, 484344, 499720, 507780, 524706, 546840, 562185, 565068, 592410, 605430, 612157, 699608, 706335, 710892, 749580, 787059, 789880, 807240, 847602, 874510, 888615, 899496, 941780, 1015560, 1049412, 1124370, 1130136, 1184820, 1210860, 1224314, 1311765, 1412670, 1421784, 1499160, 1574118, 1695204, 1749020, 1777230, 1836471, 1883560, 2098824, 2119005, 2248740, 2369640, 2421720, 2448628, 2623530, 2825340, 3060785, 3148236, 3390408, 3498040, 3554460, 3672942, 3935295, 4238010, 4497480, 4897256, 5247060, 5509413, 5650680, 6121570, 6296472, 7108920, 7345884, 7870590, 8476020, 9182355, 10494120, 11018826, 12243140, 14691768, 15741180, 16952040, 18364710, 22037652, 24486280, 27547065, 31482360, 36729420, 44075304, 55094130, 73458840, 110188260, 220376520]

約数ペア:

[(1, 220376520), (2, 110188260), (3, 73458840), (4, 55094130), (5, 44075304), (6, 36729420), (7, 31482360), (8, 27547065), (9, 24486280), (10, 22037652), (12, 18364710), (13, 16952040), (14, 15741180), (15, 14691768), (18, 12243140), (20, 11018826), (21, 10494120), (24, 9182355), (26, 8476020), (28, 7870590), (30, 7345884), (31, 7108920), (35, 6296472), (36, 6121570), (39, 5650680), (40, 5509413), (42, 5247060), (45, 4897256), (49, 4497480), (52, 4238010), (56, 3935295), (60, 3672942), (62, 3554460), (63, 3498040), (65, 3390408), (70, 3148236), (72, 3060785), (78, 2825340), (84, 2623530), (90, 2448628), (91, 2421720), (93, 2369640), (98, 2248740), (104, 2119005), (105, 2098824), (117, 1883560), (120, 1836471), (124, 1777230), (126, 1749020), (130, 1695204), (140, 1574118), (147, 1499160), (155, 1421784), (156, 1412670), (168, 1311765), (180, 1224314), (182, 1210860), (186, 1184820), (195, 1130136), (196, 1124370), (210, 1049412), (217, 1015560), (234, 941780), (245, 899496), (248, 888615), (252, 874510), (260, 847602), (273, 807240), (279, 789880), (280, 787059), (294, 749580), (310, 710892), (312, 706335), (315, 699608), (360, 612157), (364, 605430), (372, 592410), (390, 565068), (392, 562185), (403, 546840), (420, 524706), (434, 507780), (441, 499720), (455, 484344), (465, 473928), (468, 470890), (490, 449748), (504, 437255), (520, 423801), (546, 403620), (558, 394940), (585, 376712), (588, 374790), (620, 355446), (630, 349804), (637, 345960), (651, 338520), (728, 302715), (735, 299832), (744, 296205), (780, 282534), (806, 273420), (819, 269080), (840, 262353), (868, 253890), (882, 249860), (910, 242172), (930, 236964), (936, 235445), (961, 229320), (980, 224874), (1085, 203112), (1092, 201810), (1116, 197470), (1170, 188356), (1176, 187395), (1209, 182280), (1240, 177723), (1260, 174902), (1274, 172980), (1302, 169260), (1365, 161448), (1395, 157976), (1470, 149916), (1519, 145080), (1560, 141267), (1612, 136710), (1638, 134540), (1736, 126945), (1764, 124930), (1820, 121086), (1860, 118482), (1911, 115320), (1922, 114660), (1953, 112840), (1960, 112437), (2015, 109368), (2170, 101556), (2184, 100905), (2205, 99944), (2232, 98735), (2340, 94178), (2418, 91140), (2520, 87451), (2548, 86490), (2604, 84630), (2730, 80724), (2790, 78988), (2821, 78120), (2883, 76440), (2940, 74958), (3038, 72540), (3185, 69192), (3224, 68355), (3255, 67704), (3276, 67270), (3528, 62465), (3627, 60760), (3640, 60543), (3720, 59241), (3822, 57660), (3844, 57330), (3906, 56420), (4030, 54684), (4095, 53816), (4340, 50778), (4410, 49972), (4557, 48360), (4680, 47089), (4805, 45864), (4836, 45570), (5096, 43245), (5208, 42315), (5460, 40362), (5580, 39494), (5642, 39060), (5733, 38440), (5766, 38220), (5880, 37479), (6045, 36456), (6076, 36270), (6370, 34596), (6510, 33852), (6552, 33635), (6727, 32760), (7254, 30380), (7595, 29016), (7644, 28830), (7688, 28665), (7812, 28210), (8060, 27342), (8190, 26908), (8463, 26040), (8649, 25480), (8680, 25389), (8820, 24986), (9114, 24180), (9555, 23064), (9610, 22932), (9672, 22785), (9765, 22568), (10920, 20181), (11160, 19747), (11284, 19530), (11466, 19220), (11532, 19110), (12090, 18228), (12152, 18135), (12493, 17640), (12740, 17298), (13020, 16926), (13454, 16380), (13671, 16120), (14105, 15624), (14415, 15288), (14508, 15190)]