278799120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12541

約数の個数: 120

約数和(自身を含む): 966580992

約数和(自身を除く): 687781872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 12491, 22320, 24982, 37473, 49964, 62455, 74946, 99928, 112419, 124910, 149892, 187365, 199856, 224838, 249820, 299784, 374730, 387221, 449676, 499640, 562095, 599568, 749460, 774442, 899352, 999280, 1124190, 1161663, 1498920, 1548884, 1798704, 1936105, 2248380, 2323326, 2997840, 3097768, 3484989, 3872210, 4496760, 4646652, 5808315, 6195536, 6969978, 7744420, 8993520, 9293304, 11616630, 13939956, 15488840, 17424945, 18586608, 23233260, 27879912, 30977680, 34849890, 46466520, 55759824, 69699780, 92933040, 139399560, 278799120]

約数ペア:

[(1, 278799120), (2, 139399560), (3, 92933040), (4, 69699780), (5, 55759824), (6, 46466520), (8, 34849890), (9, 30977680), (10, 27879912), (12, 23233260), (15, 18586608), (16, 17424945), (18, 15488840), (20, 13939956), (24, 11616630), (30, 9293304), (31, 8993520), (36, 7744420), (40, 6969978), (45, 6195536), (48, 5808315), (60, 4646652), (62, 4496760), (72, 3872210), (80, 3484989), (90, 3097768), (93, 2997840), (120, 2323326), (124, 2248380), (144, 1936105), (155, 1798704), (180, 1548884), (186, 1498920), (240, 1161663), (248, 1124190), (279, 999280), (310, 899352), (360, 774442), (372, 749460), (465, 599568), (496, 562095), (558, 499640), (620, 449676), (720, 387221), (744, 374730), (930, 299784), (1116, 249820), (1240, 224838), (1395, 199856), (1488, 187365), (1860, 149892), (2232, 124910), (2480, 112419), (2790, 99928), (3720, 74946), (4464, 62455), (5580, 49964), (7440, 37473), (11160, 24982), (12491, 22320)]