128380500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:679

約数の個数: 144

約数和(自身を含む): 414296064

約数和(自身を除く): 285915564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 125, 141, 150, 180, 188, 225, 235, 250, 282, 300, 375, 423, 450, 470, 500, 564, 607, 705, 750, 846, 900, 940, 1125, 1175, 1214, 1410, 1500, 1692, 1821, 2115, 2250, 2350, 2428, 2820, 3035, 3525, 3642, 4230, 4500, 4700, 5463, 5875, 6070, 7050, 7284, 8460, 9105, 10575, 10926, 11750, 12140, 14100, 15175, 17625, 18210, 21150, 21852, 23500, 27315, 28529, 30350, 35250, 36420, 42300, 45525, 52875, 54630, 57058, 60700, 70500, 75875, 85587, 91050, 105750, 109260, 114116, 136575, 142645, 151750, 171174, 182100, 211500, 227625, 256761, 273150, 285290, 303500, 342348, 427935, 455250, 513522, 546300, 570580, 682875, 713225, 855870, 910500, 1027044, 1283805, 1365750, 1426450, 1711740, 2139675, 2567610, 2731500, 2852900, 3566125, 4279350, 5135220, 6419025, 7132250, 8558700, 10698375, 12838050, 14264500, 21396750, 25676100, 32095125, 42793500, 64190250, 128380500]

約数ペア:

[(1, 128380500), (2, 64190250), (3, 42793500), (4, 32095125), (5, 25676100), (6, 21396750), (9, 14264500), (10, 12838050), (12, 10698375), (15, 8558700), (18, 7132250), (20, 6419025), (25, 5135220), (30, 4279350), (36, 3566125), (45, 2852900), (47, 2731500), (50, 2567610), (60, 2139675), (75, 1711740), (90, 1426450), (94, 1365750), (100, 1283805), (125, 1027044), (141, 910500), (150, 855870), (180, 713225), (188, 682875), (225, 570580), (235, 546300), (250, 513522), (282, 455250), (300, 427935), (375, 342348), (423, 303500), (450, 285290), (470, 273150), (500, 256761), (564, 227625), (607, 211500), (705, 182100), (750, 171174), (846, 151750), (900, 142645), (940, 136575), (1125, 114116), (1175, 109260), (1214, 105750), (1410, 91050), (1500, 85587), (1692, 75875), (1821, 70500), (2115, 60700), (2250, 57058), (2350, 54630), (2428, 52875), (2820, 45525), (3035, 42300), (3525, 36420), (3642, 35250), (4230, 30350), (4500, 28529), (4700, 27315), (5463, 23500), (5875, 21852), (6070, 21150), (7050, 18210), (7284, 17625), (8460, 15175), (9105, 14100), (10575, 12140), (10926, 11750)]