156789708640

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1721}}^1\times {\mathrm{3181}}^1$

素因数の和:5096

約数の個数: 96

約数和(自身を含む): 372818648160

約数和(自身を除く): 216028939520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1721, 1790, 2864, 3181, 3442, 3580, 5728, 6362, 6884, 7160, 8605, 12724, 13768, 14320, 15905, 17210, 25448, 27536, 28640, 31810, 34420, 50896, 55072, 63620, 68840, 101792, 127240, 137680, 254480, 275360, 308059, 508960, 569399, 616118, 1138798, 1232236, 1540295, 2277596, 2464472, 2846995, 3080590, 4555192, 4928944, 5474501, 5693990, 6161180, 9110384, 9857888, 10949002, 11387980, 12322360, 18220768, 21898004, 22775960, 24644720, 27372505, 43796008, 45551920, 49289440, 54745010, 87592016, 91103840, 109490020, 175184032, 218980040, 437960080, 875920160, 979935679, 1959871358, 3919742716, 4899678395, 7839485432, 9799356790, 15678970864, 19598713580, 31357941728, 39197427160, 78394854320, 156789708640]

約数ペア:

[(1, 156789708640), (2, 78394854320), (4, 39197427160), (5, 31357941728), (8, 19598713580), (10, 15678970864), (16, 9799356790), (20, 7839485432), (32, 4899678395), (40, 3919742716), (80, 1959871358), (160, 979935679), (179, 875920160), (358, 437960080), (716, 218980040), (895, 175184032), (1432, 109490020), (1721, 91103840), (1790, 87592016), (2864, 54745010), (3181, 49289440), (3442, 45551920), (3580, 43796008), (5728, 27372505), (6362, 24644720), (6884, 22775960), (7160, 21898004), (8605, 18220768), (12724, 12322360), (13768, 11387980), (14320, 10949002), (15905, 9857888), (17210, 9110384), (25448, 6161180), (27536, 5693990), (28640, 5474501), (31810, 4928944), (34420, 4555192), (50896, 3080590), (55072, 2846995), (63620, 2464472), (68840, 2277596), (101792, 1540295), (127240, 1232236), (137680, 1138798), (254480, 616118), (275360, 569399), (308059, 508960)]