155311920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2107

約数の個数: 120

約数和(自身を含む): 526640400

約数和(自身を除く): 371328480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 1979, 2180, 2616, 3270, 3924, 3958, 4360, 4905, 5232, 5937, 6540, 7848, 7916, 8720, 9810, 9895, 11874, 13080, 15696, 15832, 17811, 19620, 19790, 23748, 26160, 29685, 31664, 35622, 39240, 39580, 47496, 59370, 71244, 78480, 79160, 89055, 94992, 118740, 142488, 158320, 178110, 215711, 237480, 284976, 356220, 431422, 474960, 647133, 712440, 862844, 1078555, 1294266, 1424880, 1725688, 1941399, 2157110, 2588532, 3235665, 3451376, 3882798, 4314220, 5177064, 6471330, 7765596, 8628440, 9706995, 10354128, 12942660, 15531192, 17256880, 19413990, 25885320, 31062384, 38827980, 51770640, 77655960, 155311920]

約数ペア:

[(1, 155311920), (2, 77655960), (3, 51770640), (4, 38827980), (5, 31062384), (6, 25885320), (8, 19413990), (9, 17256880), (10, 15531192), (12, 12942660), (15, 10354128), (16, 9706995), (18, 8628440), (20, 7765596), (24, 6471330), (30, 5177064), (36, 4314220), (40, 3882798), (45, 3451376), (48, 3235665), (60, 2588532), (72, 2157110), (80, 1941399), (90, 1725688), (109, 1424880), (120, 1294266), (144, 1078555), (180, 862844), (218, 712440), (240, 647133), (327, 474960), (360, 431422), (436, 356220), (545, 284976), (654, 237480), (720, 215711), (872, 178110), (981, 158320), (1090, 142488), (1308, 118740), (1635, 94992), (1744, 89055), (1962, 79160), (1979, 78480), (2180, 71244), (2616, 59370), (3270, 47496), (3924, 39580), (3958, 39240), (4360, 35622), (4905, 31664), (5232, 29685), (5937, 26160), (6540, 23748), (7848, 19790), (7916, 19620), (8720, 17811), (9810, 15832), (9895, 15696), (11874, 13080)]