31287360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 112654080

約数和(自身を除く): 81366720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 109, 115, 120, 130, 138, 156, 160, 184, 192, 195, 208, 218, 230, 240, 260, 276, 299, 312, 320, 327, 345, 368, 390, 416, 436, 460, 480, 520, 545, 552, 598, 624, 654, 690, 736, 780, 832, 872, 897, 920, 960, 1040, 1090, 1104, 1196, 1248, 1308, 1380, 1417, 1472, 1495, 1560, 1635, 1744, 1794, 1840, 2080, 2180, 2208, 2392, 2496, 2507, 2616, 2760, 2834, 2990, 3120, 3270, 3488, 3588, 3680, 4160, 4251, 4360, 4416, 4485, 4784, 5014, 5232, 5520, 5668, 5980, 6240, 6540, 6976, 7085, 7176, 7360, 7521, 8502, 8720, 8970, 9568, 10028, 10464, 11040, 11336, 11960, 12480, 12535, 13080, 14170, 14352, 15042, 17004, 17440, 17940, 19136, 20056, 20928, 21255, 22080, 22672, 23920, 25070, 26160, 28340, 28704, 30084, 32591, 34008, 34880, 35880, 37605, 40112, 42510, 45344, 47840, 50140, 52320, 56680, 57408, 60168, 65182, 68016, 71760, 75210, 80224, 85020, 90688, 95680, 97773, 100280, 104640, 113360, 120336, 130364, 136032, 143520, 150420, 160448, 162955, 170040, 195546, 200560, 226720, 240672, 260728, 272064, 287040, 300840, 325910, 340080, 391092, 401120, 453440, 481344, 488865, 521456, 601680, 651820, 680160, 782184, 802240, 977730, 1042912, 1203360, 1303640, 1360320, 1564368, 1955460, 2085824, 2406720, 2607280, 3128736, 3910920, 5214560, 6257472, 7821840, 10429120, 15643680, 31287360]

約数ペア:

[(1, 31287360), (2, 15643680), (3, 10429120), (4, 7821840), (5, 6257472), (6, 5214560), (8, 3910920), (10, 3128736), (12, 2607280), (13, 2406720), (15, 2085824), (16, 1955460), (20, 1564368), (23, 1360320), (24, 1303640), (26, 1203360), (30, 1042912), (32, 977730), (39, 802240), (40, 782184), (46, 680160), (48, 651820), (52, 601680), (60, 521456), (64, 488865), (65, 481344), (69, 453440), (78, 401120), (80, 391092), (92, 340080), (96, 325910), (104, 300840), (109, 287040), (115, 272064), (120, 260728), (130, 240672), (138, 226720), (156, 200560), (160, 195546), (184, 170040), (192, 162955), (195, 160448), (208, 150420), (218, 143520), (230, 136032), (240, 130364), (260, 120336), (276, 113360), (299, 104640), (312, 100280), (320, 97773), (327, 95680), (345, 90688), (368, 85020), (390, 80224), (416, 75210), (436, 71760), (460, 68016), (480, 65182), (520, 60168), (545, 57408), (552, 56680), (598, 52320), (624, 50140), (654, 47840), (690, 45344), (736, 42510), (780, 40112), (832, 37605), (872, 35880), (897, 34880), (920, 34008), (960, 32591), (1040, 30084), (1090, 28704), (1104, 28340), (1196, 26160), (1248, 25070), (1308, 23920), (1380, 22672), (1417, 22080), (1472, 21255), (1495, 20928), (1560, 20056), (1635, 19136), (1744, 17940), (1794, 17440), (1840, 17004), (2080, 15042), (2180, 14352), (2208, 14170), (2392, 13080), (2496, 12535), (2507, 12480), (2616, 11960), (2760, 11336), (2834, 11040), (2990, 10464), (3120, 10028), (3270, 9568), (3488, 8970), (3588, 8720), (3680, 8502), (4160, 7521), (4251, 7360), (4360, 7176), (4416, 7085), (4485, 6976), (4784, 6540), (5014, 6240), (5232, 5980), (5520, 5668)]