221554440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 320

約数和(自身を含む): 810216000

約数和(自身を除く): 588661560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 59, 60, 61, 72, 76, 81, 90, 95, 108, 114, 118, 120, 122, 135, 152, 162, 171, 177, 180, 183, 190, 216, 228, 236, 244, 270, 285, 295, 305, 324, 342, 354, 360, 366, 380, 405, 456, 472, 488, 513, 531, 540, 549, 570, 590, 610, 648, 684, 708, 732, 760, 810, 855, 885, 915, 1026, 1062, 1080, 1098, 1121, 1140, 1159, 1180, 1220, 1368, 1416, 1464, 1539, 1593, 1620, 1647, 1710, 1770, 1830, 2052, 2124, 2196, 2242, 2280, 2318, 2360, 2440, 2565, 2655, 2745, 3078, 3186, 3240, 3294, 3363, 3420, 3477, 3540, 3599, 3660, 4104, 4248, 4392, 4484, 4636, 4779, 4941, 5130, 5310, 5490, 5605, 5795, 6156, 6372, 6588, 6726, 6840, 6954, 7080, 7198, 7320, 7695, 7965, 8235, 8968, 9272, 9558, 9882, 10089, 10260, 10431, 10620, 10797, 10980, 11210, 11590, 12312, 12744, 13176, 13452, 13908, 14396, 15390, 15930, 16470, 16815, 17385, 17995, 19116, 19764, 20178, 20520, 20862, 21240, 21594, 21960, 22420, 23180, 23895, 24705, 26904, 27816, 28792, 30267, 30780, 31293, 31860, 32391, 32940, 33630, 34770, 35990, 38232, 39528, 40356, 41724, 43188, 44840, 46360, 47790, 49410, 50445, 52155, 53985, 60534, 61560, 62586, 63720, 64782, 65880, 67260, 68381, 69540, 71980, 80712, 83448, 86376, 90801, 93879, 95580, 97173, 98820, 100890, 104310, 107970, 121068, 125172, 129564, 134520, 136762, 139080, 143960, 151335, 156465, 161955, 181602, 187758, 191160, 194346, 197640, 201780, 205143, 208620, 215940, 242136, 250344, 259128, 273524, 291519, 302670, 312930, 323910, 341905, 363204, 375516, 388692, 403560, 410286, 417240, 431880, 454005, 469395, 485865, 547048, 583038, 605340, 615429, 625860, 647820, 683810, 726408, 751032, 777384, 820572, 908010, 938790, 971730, 1025715, 1166076, 1210680, 1230858, 1251720, 1295640, 1367620, 1457595, 1641144, 1816020, 1846287, 1877580, 1943460, 2051430, 2332152, 2461716, 2735240, 2915190, 3077145, 3632040, 3692574, 3755160, 3886920, 4102860, 4923432, 5538861, 5830380, 6154290, 7385148, 8205720, 9231435, 11077722, 11660760, 12308580, 14770296, 18462870, 22155444, 24617160, 27694305, 36925740, 44310888, 55388610, 73851480, 110777220, 221554440]

約数ペア:

[(1, 221554440), (2, 110777220), (3, 73851480), (4, 55388610), (5, 44310888), (6, 36925740), (8, 27694305), (9, 24617160), (10, 22155444), (12, 18462870), (15, 14770296), (18, 12308580), (19, 11660760), (20, 11077722), (24, 9231435), (27, 8205720), (30, 7385148), (36, 6154290), (38, 5830380), (40, 5538861), (45, 4923432), (54, 4102860), (57, 3886920), (59, 3755160), (60, 3692574), (61, 3632040), (72, 3077145), (76, 2915190), (81, 2735240), (90, 2461716), (95, 2332152), (108, 2051430), (114, 1943460), (118, 1877580), (120, 1846287), (122, 1816020), (135, 1641144), (152, 1457595), (162, 1367620), (171, 1295640), (177, 1251720), (180, 1230858), (183, 1210680), (190, 1166076), (216, 1025715), (228, 971730), (236, 938790), (244, 908010), (270, 820572), (285, 777384), (295, 751032), (305, 726408), (324, 683810), (342, 647820), (354, 625860), (360, 615429), (366, 605340), (380, 583038), (405, 547048), (456, 485865), (472, 469395), (488, 454005), (513, 431880), (531, 417240), (540, 410286), (549, 403560), (570, 388692), (590, 375516), (610, 363204), (648, 341905), (684, 323910), (708, 312930), (732, 302670), (760, 291519), (810, 273524), (855, 259128), (885, 250344), (915, 242136), (1026, 215940), (1062, 208620), (1080, 205143), (1098, 201780), (1121, 197640), (1140, 194346), (1159, 191160), (1180, 187758), (1220, 181602), (1368, 161955), (1416, 156465), (1464, 151335), (1539, 143960), (1593, 139080), (1620, 136762), (1647, 134520), (1710, 129564), (1770, 125172), (1830, 121068), (2052, 107970), (2124, 104310), (2196, 100890), (2242, 98820), (2280, 97173), (2318, 95580), (2360, 93879), (2440, 90801), (2565, 86376), (2655, 83448), (2745, 80712), (3078, 71980), (3186, 69540), (3240, 68381), (3294, 67260), (3363, 65880), (3420, 64782), (3477, 63720), (3540, 62586), (3599, 61560), (3660, 60534), (4104, 53985), (4248, 52155), (4392, 50445), (4484, 49410), (4636, 47790), (4779, 46360), (4941, 44840), (5130, 43188), (5310, 41724), (5490, 40356), (5605, 39528), (5795, 38232), (6156, 35990), (6372, 34770), (6588, 33630), (6726, 32940), (6840, 32391), (6954, 31860), (7080, 31293), (7198, 30780), (7320, 30267), (7695, 28792), (7965, 27816), (8235, 26904), (8968, 24705), (9272, 23895), (9558, 23180), (9882, 22420), (10089, 21960), (10260, 21594), (10431, 21240), (10620, 20862), (10797, 20520), (10980, 20178), (11210, 19764), (11590, 19116), (12312, 17995), (12744, 17385), (13176, 16815), (13452, 16470), (13908, 15930), (14396, 15390)]