642181120

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 1931005440

約数和(自身を除く): 1288824320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 289, 310, 320, 340, 434, 448, 476, 496, 512, 527, 544, 560, 578, 595, 620, 640, 680, 868, 896, 952, 992, 1024, 1054, 1085, 1088, 1120, 1156, 1190, 1240, 1280, 1360, 1445, 1736, 1792, 1904, 1984, 2023, 2048, 2108, 2170, 2176, 2240, 2312, 2380, 2480, 2560, 2635, 2720, 2890, 3472, 3584, 3689, 3808, 3968, 4046, 4216, 4340, 4352, 4480, 4624, 4760, 4960, 5120, 5270, 5440, 5780, 6944, 7168, 7378, 7616, 7936, 8092, 8432, 8680, 8704, 8959, 8960, 9248, 9520, 9920, 10115, 10240, 10540, 10880, 11560, 13888, 14336, 14756, 15232, 15872, 16184, 16864, 17360, 17408, 17918, 17920, 18445, 18496, 19040, 19840, 20230, 21080, 21760, 23120, 27776, 29512, 30464, 31744, 32368, 33728, 34720, 34816, 35836, 35840, 36890, 36992, 38080, 39680, 40460, 42160, 43520, 44795, 46240, 55552, 59024, 60928, 62713, 63488, 64736, 67456, 69440, 71672, 71680, 73780, 73984, 76160, 79360, 80920, 84320, 87040, 89590, 92480, 111104, 118048, 121856, 125426, 129472, 134912, 138880, 143344, 147560, 147968, 152320, 158720, 161840, 168640, 174080, 179180, 184960, 222208, 236096, 243712, 250852, 258944, 269824, 277760, 286688, 295120, 295936, 304640, 313565, 317440, 323680, 337280, 358360, 369920, 444416, 472192, 501704, 517888, 539648, 555520, 573376, 590240, 591872, 609280, 627130, 647360, 674560, 716720, 739840, 944384, 1003408, 1035776, 1079296, 1111040, 1146752, 1180480, 1218560, 1254260, 1294720, 1349120, 1433440, 1479680, 1888768, 2006816, 2071552, 2222080, 2293504, 2360960, 2508520, 2589440, 2698240, 2866880, 2959360, 3777536, 4013632, 4143104, 4587008, 4721920, 5017040, 5178880, 5396480, 5733760, 7555072, 8027264, 9174016, 9443840, 10034080, 10357760, 11467520, 16054528, 18348032, 18887680, 20068160, 20715520, 22935040, 32109056, 37775360, 40136320, 45870080, 64218112, 80272640, 91740160, 128436224, 160545280, 321090560, 642181120]

約数ペア:

[(1, 642181120), (2, 321090560), (4, 160545280), (5, 128436224), (7, 91740160), (8, 80272640), (10, 64218112), (14, 45870080), (16, 40136320), (17, 37775360), (20, 32109056), (28, 22935040), (31, 20715520), (32, 20068160), (34, 18887680), (35, 18348032), (40, 16054528), (56, 11467520), (62, 10357760), (64, 10034080), (68, 9443840), (70, 9174016), (80, 8027264), (85, 7555072), (112, 5733760), (119, 5396480), (124, 5178880), (128, 5017040), (136, 4721920), (140, 4587008), (155, 4143104), (160, 4013632), (170, 3777536), (217, 2959360), (224, 2866880), (238, 2698240), (248, 2589440), (256, 2508520), (272, 2360960), (280, 2293504), (289, 2222080), (310, 2071552), (320, 2006816), (340, 1888768), (434, 1479680), (448, 1433440), (476, 1349120), (496, 1294720), (512, 1254260), (527, 1218560), (544, 1180480), (560, 1146752), (578, 1111040), (595, 1079296), (620, 1035776), (640, 1003408), (680, 944384), (868, 739840), (896, 716720), (952, 674560), (992, 647360), (1024, 627130), (1054, 609280), (1085, 591872), (1088, 590240), (1120, 573376), (1156, 555520), (1190, 539648), (1240, 517888), (1280, 501704), (1360, 472192), (1445, 444416), (1736, 369920), (1792, 358360), (1904, 337280), (1984, 323680), (2023, 317440), (2048, 313565), (2108, 304640), (2170, 295936), (2176, 295120), (2240, 286688), (2312, 277760), (2380, 269824), (2480, 258944), (2560, 250852), (2635, 243712), (2720, 236096), (2890, 222208), (3472, 184960), (3584, 179180), (3689, 174080), (3808, 168640), (3968, 161840), (4046, 158720), (4216, 152320), (4340, 147968), (4352, 147560), (4480, 143344), (4624, 138880), (4760, 134912), (4960, 129472), (5120, 125426), (5270, 121856), (5440, 118048), (5780, 111104), (6944, 92480), (7168, 89590), (7378, 87040), (7616, 84320), (7936, 80920), (8092, 79360), (8432, 76160), (8680, 73984), (8704, 73780), (8959, 71680), (8960, 71672), (9248, 69440), (9520, 67456), (9920, 64736), (10115, 63488), (10240, 62713), (10540, 60928), (10880, 59024), (11560, 55552), (13888, 46240), (14336, 44795), (14756, 43520), (15232, 42160), (15872, 40460), (16184, 39680), (16864, 38080), (17360, 36992), (17408, 36890), (17918, 35840), (17920, 35836), (18445, 34816), (18496, 34720), (19040, 33728), (19840, 32368), (20230, 31744), (21080, 30464), (21760, 29512), (23120, 27776)]