128951760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76757}}^1$

素因数の和:76780

約数の個数: 80

約数和(自身を含む): 456863616

約数和(自身を除く): 327911856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76757, 153514, 230271, 307028, 383785, 460542, 537299, 614056, 767570, 921084, 1074598, 1151355, 1228112, 1535140, 1611897, 1842168, 2149196, 2302710, 2686495, 3070280, 3223794, 3684336, 4298392, 4605420, 5372990, 6140560, 6447588, 8059485, 8596784, 9210840, 10745980, 12895176, 16118970, 18421680, 21491960, 25790352, 32237940, 42983920, 64475880, 128951760]

約数ペア:

[(1, 128951760), (2, 64475880), (3, 42983920), (4, 32237940), (5, 25790352), (6, 21491960), (7, 18421680), (8, 16118970), (10, 12895176), (12, 10745980), (14, 9210840), (15, 8596784), (16, 8059485), (20, 6447588), (21, 6140560), (24, 5372990), (28, 4605420), (30, 4298392), (35, 3684336), (40, 3223794), (42, 3070280), (48, 2686495), (56, 2302710), (60, 2149196), (70, 1842168), (80, 1611897), (84, 1535140), (105, 1228112), (112, 1151355), (120, 1074598), (140, 921084), (168, 767570), (210, 614056), (240, 537299), (280, 460542), (336, 383785), (420, 307028), (560, 230271), (840, 153514), (1680, 76757)]