8118250240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1877}}^1$

素因数の和:2038

約数の個数: 144

約数和(自身を含む): 20267976960

約数和(自身を除く): 12149726720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 256, 310, 320, 436, 496, 545, 620, 640, 872, 992, 1090, 1240, 1280, 1744, 1877, 1984, 2180, 2480, 3379, 3488, 3754, 3968, 4360, 4960, 6758, 6976, 7508, 7936, 8720, 9385, 9920, 13516, 13952, 15016, 16895, 17440, 18770, 19840, 27032, 27904, 30032, 33790, 34880, 37540, 39680, 54064, 58187, 60064, 67580, 69760, 75080, 108128, 116374, 120128, 135160, 139520, 150160, 204593, 216256, 232748, 240256, 270320, 290935, 300320, 409186, 432512, 465496, 480512, 540640, 581870, 600640, 818372, 865024, 930992, 1022965, 1081280, 1163740, 1201280, 1636744, 1861984, 2045930, 2162560, 2327480, 2402560, 3273488, 3723968, 4091860, 4325120, 4654960, 6342383, 6546976, 7447936, 8183720, 9309920, 12684766, 13093952, 14895872, 16367440, 18619840, 25369532, 26187904, 31711915, 32734880, 37239680, 50739064, 52375808, 63423830, 65469760, 74479360, 101478128, 126847660, 130939520, 202956256, 253695320, 261879040, 405912512, 507390640, 811825024, 1014781280, 1623650048, 2029562560, 4059125120, 8118250240]

約数ペア:

[(1, 8118250240), (2, 4059125120), (4, 2029562560), (5, 1623650048), (8, 1014781280), (10, 811825024), (16, 507390640), (20, 405912512), (31, 261879040), (32, 253695320), (40, 202956256), (62, 130939520), (64, 126847660), (80, 101478128), (109, 74479360), (124, 65469760), (128, 63423830), (155, 52375808), (160, 50739064), (218, 37239680), (248, 32734880), (256, 31711915), (310, 26187904), (320, 25369532), (436, 18619840), (496, 16367440), (545, 14895872), (620, 13093952), (640, 12684766), (872, 9309920), (992, 8183720), (1090, 7447936), (1240, 6546976), (1280, 6342383), (1744, 4654960), (1877, 4325120), (1984, 4091860), (2180, 3723968), (2480, 3273488), (3379, 2402560), (3488, 2327480), (3754, 2162560), (3968, 2045930), (4360, 1861984), (4960, 1636744), (6758, 1201280), (6976, 1163740), (7508, 1081280), (7936, 1022965), (8720, 930992), (9385, 865024), (9920, 818372), (13516, 600640), (13952, 581870), (15016, 540640), (16895, 480512), (17440, 465496), (18770, 432512), (19840, 409186), (27032, 300320), (27904, 290935), (30032, 270320), (33790, 240256), (34880, 232748), (37540, 216256), (39680, 204593), (54064, 150160), (58187, 139520), (60064, 135160), (67580, 120128), (69760, 116374), (75080, 108128)]