123289660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 297198720

約数和(自身を除く): 173909060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 53, 65, 92, 106, 115, 130, 212, 230, 260, 265, 299, 389, 460, 530, 598, 689, 778, 1060, 1196, 1219, 1378, 1495, 1556, 1945, 2438, 2756, 2990, 3445, 3890, 4876, 5057, 5980, 6095, 6890, 7780, 8947, 10114, 12190, 13780, 15847, 17894, 20228, 20617, 24380, 25285, 31694, 35788, 41234, 44735, 50570, 63388, 79235, 82468, 89470, 101140, 103085, 116311, 158470, 178940, 206170, 232622, 268021, 316940, 412340, 465244, 474191, 536042, 581555, 948382, 1072084, 1163110, 1340105, 1896764, 2326220, 2370955, 2680210, 4741910, 5360420, 6164483, 9483820, 12328966, 24657932, 30822415, 61644830, 123289660]

約数ペア:

[(1, 123289660), (2, 61644830), (4, 30822415), (5, 24657932), (10, 12328966), (13, 9483820), (20, 6164483), (23, 5360420), (26, 4741910), (46, 2680210), (52, 2370955), (53, 2326220), (65, 1896764), (92, 1340105), (106, 1163110), (115, 1072084), (130, 948382), (212, 581555), (230, 536042), (260, 474191), (265, 465244), (299, 412340), (389, 316940), (460, 268021), (530, 232622), (598, 206170), (689, 178940), (778, 158470), (1060, 116311), (1196, 103085), (1219, 101140), (1378, 89470), (1495, 82468), (1556, 79235), (1945, 63388), (2438, 50570), (2756, 44735), (2990, 41234), (3445, 35788), (3890, 31694), (4876, 25285), (5057, 24380), (5980, 20617), (6095, 20228), (6890, 17894), (7780, 15847), (8947, 13780), (10114, 12190)]