642577920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2756

約数の個数: 160

約数和(自身を含む): 2121292800

約数和(自身を除く): 1478714880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2699, 2976, 3720, 3840, 3968, 4960, 5398, 5952, 7440, 7680, 7936, 8097, 9920, 10796, 11904, 13495, 14880, 15872, 16194, 19840, 21592, 23808, 26990, 29760, 32388, 39680, 40485, 43184, 47616, 53980, 59520, 64776, 79360, 80970, 83669, 86368, 107960, 119040, 129552, 161940, 167338, 172736, 215920, 238080, 251007, 259104, 323880, 334676, 345472, 418345, 431840, 502014, 518208, 647760, 669352, 690944, 836690, 863680, 1004028, 1036416, 1255035, 1295520, 1338704, 1381888, 1673380, 1727360, 2008056, 2072832, 2510070, 2591040, 2677408, 3346760, 3454720, 4016112, 4145664, 5020140, 5182080, 5354816, 6693520, 6909440, 8032224, 10040280, 10364160, 10709632, 13387040, 16064448, 20080560, 20728320, 21419264, 26774080, 32128896, 40161120, 42838528, 53548160, 64257792, 80322240, 107096320, 128515584, 160644480, 214192640, 321288960, 642577920]

約数ペア:

[(1, 642577920), (2, 321288960), (3, 214192640), (4, 160644480), (5, 128515584), (6, 107096320), (8, 80322240), (10, 64257792), (12, 53548160), (15, 42838528), (16, 40161120), (20, 32128896), (24, 26774080), (30, 21419264), (31, 20728320), (32, 20080560), (40, 16064448), (48, 13387040), (60, 10709632), (62, 10364160), (64, 10040280), (80, 8032224), (93, 6909440), (96, 6693520), (120, 5354816), (124, 5182080), (128, 5020140), (155, 4145664), (160, 4016112), (186, 3454720), (192, 3346760), (240, 2677408), (248, 2591040), (256, 2510070), (310, 2072832), (320, 2008056), (372, 1727360), (384, 1673380), (465, 1381888), (480, 1338704), (496, 1295520), (512, 1255035), (620, 1036416), (640, 1004028), (744, 863680), (768, 836690), (930, 690944), (960, 669352), (992, 647760), (1240, 518208), (1280, 502014), (1488, 431840), (1536, 418345), (1860, 345472), (1920, 334676), (1984, 323880), (2480, 259104), (2560, 251007), (2699, 238080), (2976, 215920), (3720, 172736), (3840, 167338), (3968, 161940), (4960, 129552), (5398, 119040), (5952, 107960), (7440, 86368), (7680, 83669), (7936, 80970), (8097, 79360), (9920, 64776), (10796, 59520), (11904, 53980), (13495, 47616), (14880, 43184), (15872, 40485), (16194, 39680), (19840, 32388), (21592, 29760), (23808, 26990)]