278589120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1098

約数の個数: 112

約数和(自身を含む): 887809248

約数和(自身を除く): 609220128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 521, 557, 960, 1042, 1114, 1563, 1671, 2084, 2228, 2605, 2785, 3126, 3342, 4168, 4456, 5210, 5570, 6252, 6684, 7815, 8336, 8355, 8912, 10420, 11140, 12504, 13368, 15630, 16672, 16710, 17824, 20840, 22280, 25008, 26736, 31260, 33344, 33420, 35648, 41680, 44560, 50016, 53472, 62520, 66840, 83360, 89120, 100032, 106944, 125040, 133680, 166720, 178240, 250080, 267360, 290197, 500160, 534720, 580394, 870591, 1160788, 1450985, 1741182, 2321576, 2901970, 3482364, 4352955, 4643152, 5803940, 6964728, 8705910, 9286304, 11607880, 13929456, 17411820, 18572608, 23215760, 27858912, 34823640, 46431520, 55717824, 69647280, 92863040, 139294560, 278589120]

約数ペア:

[(1, 278589120), (2, 139294560), (3, 92863040), (4, 69647280), (5, 55717824), (6, 46431520), (8, 34823640), (10, 27858912), (12, 23215760), (15, 18572608), (16, 17411820), (20, 13929456), (24, 11607880), (30, 9286304), (32, 8705910), (40, 6964728), (48, 5803940), (60, 4643152), (64, 4352955), (80, 3482364), (96, 2901970), (120, 2321576), (160, 1741182), (192, 1450985), (240, 1160788), (320, 870591), (480, 580394), (521, 534720), (557, 500160), (960, 290197), (1042, 267360), (1114, 250080), (1563, 178240), (1671, 166720), (2084, 133680), (2228, 125040), (2605, 106944), (2785, 100032), (3126, 89120), (3342, 83360), (4168, 66840), (4456, 62520), (5210, 53472), (5570, 50016), (6252, 44560), (6684, 41680), (7815, 35648), (8336, 33420), (8355, 33344), (8912, 31260), (10420, 26736), (11140, 25008), (12504, 22280), (13368, 20840), (15630, 17824), (16672, 16710)]