1988728080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{30577}}^1$

素因数の和:30864

約数の個数: 80

約数和(自身を含む): 6188008704

約数和(自身を除く): 4199280624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 4336, 5420, 6504, 8130, 10840, 13008, 16260, 21680, 30577, 32520, 61154, 65040, 91731, 122308, 152885, 183462, 244616, 305770, 366924, 458655, 489232, 611540, 733848, 917310, 1223080, 1467696, 1834620, 2446160, 3669240, 7338480, 8286367, 16572734, 24859101, 33145468, 41431835, 49718202, 66290936, 82863670, 99436404, 124295505, 132581872, 165727340, 198872808, 248591010, 331454680, 397745616, 497182020, 662909360, 994364040, 1988728080]

約数ペア:

[(1, 1988728080), (2, 994364040), (3, 662909360), (4, 497182020), (5, 397745616), (6, 331454680), (8, 248591010), (10, 198872808), (12, 165727340), (15, 132581872), (16, 124295505), (20, 99436404), (24, 82863670), (30, 66290936), (40, 49718202), (48, 41431835), (60, 33145468), (80, 24859101), (120, 16572734), (240, 8286367), (271, 7338480), (542, 3669240), (813, 2446160), (1084, 1834620), (1355, 1467696), (1626, 1223080), (2168, 917310), (2710, 733848), (3252, 611540), (4065, 489232), (4336, 458655), (5420, 366924), (6504, 305770), (8130, 244616), (10840, 183462), (13008, 152885), (16260, 122308), (21680, 91731), (30577, 65040), (32520, 61154)]