221157720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 384

約数和(自身を含む): 898560000

約数和(自身を除く): 677402280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 56, 57, 60, 62, 63, 70, 72, 76, 84, 90, 93, 95, 105, 114, 120, 124, 126, 133, 140, 149, 152, 155, 168, 171, 180, 186, 190, 210, 217, 228, 248, 252, 266, 279, 280, 285, 298, 310, 315, 342, 360, 372, 380, 399, 420, 434, 447, 456, 465, 504, 532, 558, 570, 589, 596, 620, 630, 651, 665, 684, 744, 745, 760, 798, 840, 855, 868, 894, 930, 1043, 1064, 1085, 1116, 1140, 1178, 1192, 1197, 1240, 1260, 1302, 1330, 1341, 1368, 1395, 1490, 1596, 1710, 1736, 1767, 1788, 1860, 1953, 1995, 2086, 2170, 2232, 2235, 2280, 2356, 2394, 2520, 2604, 2660, 2682, 2790, 2831, 2945, 2980, 3129, 3192, 3255, 3420, 3534, 3576, 3720, 3906, 3990, 4123, 4172, 4340, 4470, 4619, 4712, 4788, 5208, 5215, 5301, 5320, 5364, 5580, 5662, 5890, 5960, 5985, 6258, 6510, 6705, 6840, 7068, 7812, 7980, 8246, 8344, 8493, 8680, 8835, 8940, 9238, 9387, 9576, 9765, 10430, 10602, 10728, 11160, 11324, 11780, 11970, 12369, 12516, 13020, 13410, 13857, 14136, 14155, 15624, 15645, 15960, 16492, 16986, 17670, 17880, 18476, 18774, 19530, 19817, 20615, 20860, 21204, 22648, 23095, 23560, 23940, 24738, 25032, 25479, 26040, 26505, 26820, 27714, 28310, 31290, 32333, 32984, 33972, 35340, 36952, 37107, 37548, 39060, 39634, 41230, 41571, 41720, 42408, 42465, 46190, 46935, 47880, 49476, 50958, 53010, 53640, 55428, 56620, 59451, 61845, 62580, 64666, 67944, 69285, 70680, 74214, 75096, 78120, 79268, 82460, 83142, 84930, 87761, 92380, 93870, 96999, 98952, 99085, 101916, 106020, 110856, 113240, 118902, 123690, 125160, 127395, 129332, 138570, 148428, 158536, 161665, 164920, 166284, 169860, 175522, 178353, 184760, 185535, 187740, 193998, 198170, 203832, 207855, 212040, 237804, 247380, 254790, 258664, 263283, 277140, 290997, 296856, 297255, 323330, 332568, 339720, 351044, 356706, 371070, 375480, 387996, 396340, 415710, 438805, 475608, 484995, 494760, 509580, 526566, 554280, 581994, 594510, 614327, 646660, 702088, 713412, 742140, 775992, 789849, 792680, 831420, 877610, 891765, 969990, 1019160, 1053132, 1163988, 1189020, 1228654, 1293320, 1316415, 1426824, 1454985, 1484280, 1579698, 1662840, 1755220, 1783530, 1842981, 1939980, 2106264, 2327976, 2378040, 2457308, 2632830, 2909970, 3071635, 3159396, 3510440, 3567060, 3685962, 3879960, 3949245, 4914616, 5265660, 5528943, 5819940, 6143270, 6318792, 7134120, 7371924, 7898490, 9214905, 10531320, 11057886, 11639880, 12286540, 14743848, 15796980, 18429810, 22115772, 24573080, 27644715, 31593960, 36859620, 44231544, 55289430, 73719240, 110578860, 221157720]

約数ペア:

[(1, 221157720), (2, 110578860), (3, 73719240), (4, 55289430), (5, 44231544), (6, 36859620), (7, 31593960), (8, 27644715), (9, 24573080), (10, 22115772), (12, 18429810), (14, 15796980), (15, 14743848), (18, 12286540), (19, 11639880), (20, 11057886), (21, 10531320), (24, 9214905), (28, 7898490), (30, 7371924), (31, 7134120), (35, 6318792), (36, 6143270), (38, 5819940), (40, 5528943), (42, 5265660), (45, 4914616), (56, 3949245), (57, 3879960), (60, 3685962), (62, 3567060), (63, 3510440), (70, 3159396), (72, 3071635), (76, 2909970), (84, 2632830), (90, 2457308), (93, 2378040), (95, 2327976), (105, 2106264), (114, 1939980), (120, 1842981), (124, 1783530), (126, 1755220), (133, 1662840), (140, 1579698), (149, 1484280), (152, 1454985), (155, 1426824), (168, 1316415), (171, 1293320), (180, 1228654), (186, 1189020), (190, 1163988), (210, 1053132), (217, 1019160), (228, 969990), (248, 891765), (252, 877610), (266, 831420), (279, 792680), (280, 789849), (285, 775992), (298, 742140), (310, 713412), (315, 702088), (342, 646660), (360, 614327), (372, 594510), (380, 581994), (399, 554280), (420, 526566), (434, 509580), (447, 494760), (456, 484995), (465, 475608), (504, 438805), (532, 415710), (558, 396340), (570, 387996), (589, 375480), (596, 371070), (620, 356706), (630, 351044), (651, 339720), (665, 332568), (684, 323330), (744, 297255), (745, 296856), (760, 290997), (798, 277140), (840, 263283), (855, 258664), (868, 254790), (894, 247380), (930, 237804), (1043, 212040), (1064, 207855), (1085, 203832), (1116, 198170), (1140, 193998), (1178, 187740), (1192, 185535), (1197, 184760), (1240, 178353), (1260, 175522), (1302, 169860), (1330, 166284), (1341, 164920), (1368, 161665), (1395, 158536), (1490, 148428), (1596, 138570), (1710, 129332), (1736, 127395), (1767, 125160), (1788, 123690), (1860, 118902), (1953, 113240), (1995, 110856), (2086, 106020), (2170, 101916), (2232, 99085), (2235, 98952), (2280, 96999), (2356, 93870), (2394, 92380), (2520, 87761), (2604, 84930), (2660, 83142), (2682, 82460), (2790, 79268), (2831, 78120), (2945, 75096), (2980, 74214), (3129, 70680), (3192, 69285), (3255, 67944), (3420, 64666), (3534, 62580), (3576, 61845), (3720, 59451), (3906, 56620), (3990, 55428), (4123, 53640), (4172, 53010), (4340, 50958), (4470, 49476), (4619, 47880), (4712, 46935), (4788, 46190), (5208, 42465), (5215, 42408), (5301, 41720), (5320, 41571), (5364, 41230), (5580, 39634), (5662, 39060), (5890, 37548), (5960, 37107), (5985, 36952), (6258, 35340), (6510, 33972), (6705, 32984), (6840, 32333), (7068, 31290), (7812, 28310), (7980, 27714), (8246, 26820), (8344, 26505), (8493, 26040), (8680, 25479), (8835, 25032), (8940, 24738), (9238, 23940), (9387, 23560), (9576, 23095), (9765, 22648), (10430, 21204), (10602, 20860), (10728, 20615), (11160, 19817), (11324, 19530), (11780, 18774), (11970, 18476), (12369, 17880), (12516, 17670), (13020, 16986), (13410, 16492), (13857, 15960), (14136, 15645), (14155, 15624)]