257334720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8647}}^1$

素因数の和:8698

約数の個数: 112

約数和(自身を含む): 843491328

約数和(自身を除く): 586156608

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, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8647, 9920, 14880, 17294, 25941, 29760, 34588, 43235, 51882, 69176, 86470, 103764, 129705, 138352, 172940, 207528, 259410, 268057, 276704, 345880, 415056, 518820, 536114, 553408, 691760, 804171, 830112, 1037640, 1072228, 1340285, 1383520, 1608342, 1660224, 2075280, 2144456, 2680570, 2767040, 3216684, 4020855, 4150560, 4288912, 5361140, 6433368, 8041710, 8301120, 8577824, 10722280, 12866736, 16083420, 17155648, 21444560, 25733472, 32166840, 42889120, 51466944, 64333680, 85778240, 128667360, 257334720]

約数ペア:

[(1, 257334720), (2, 128667360), (3, 85778240), (4, 64333680), (5, 51466944), (6, 42889120), (8, 32166840), (10, 25733472), (12, 21444560), (15, 17155648), (16, 16083420), (20, 12866736), (24, 10722280), (30, 8577824), (31, 8301120), (32, 8041710), (40, 6433368), (48, 5361140), (60, 4288912), (62, 4150560), (64, 4020855), (80, 3216684), (93, 2767040), (96, 2680570), (120, 2144456), (124, 2075280), (155, 1660224), (160, 1608342), (186, 1383520), (192, 1340285), (240, 1072228), (248, 1037640), (310, 830112), (320, 804171), (372, 691760), (465, 553408), (480, 536114), (496, 518820), (620, 415056), (744, 345880), (930, 276704), (960, 268057), (992, 259410), (1240, 207528), (1488, 172940), (1860, 138352), (1984, 129705), (2480, 103764), (2976, 86470), (3720, 69176), (4960, 51882), (5952, 43235), (7440, 34588), (8647, 29760), (9920, 25941), (14880, 17294)]