154979220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21347}}^1$

素因数の和:21381

約数の個数: 72

約数和(自身を含む): 476999712

約数和(自身を除く): 322020492

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 21347, 42694, 64041, 85388, 106735, 128082, 213470, 234817, 256164, 320205, 426940, 469634, 640410, 704451, 939268, 1174085, 1280820, 1408902, 2348170, 2582987, 2817804, 3522255, 4696340, 5165974, 7044510, 7748961, 10331948, 12914935, 14089020, 15497922, 25829870, 30995844, 38744805, 51659740, 77489610, 154979220]

約数ペア:

[(1, 154979220), (2, 77489610), (3, 51659740), (4, 38744805), (5, 30995844), (6, 25829870), (10, 15497922), (11, 14089020), (12, 12914935), (15, 10331948), (20, 7748961), (22, 7044510), (30, 5165974), (33, 4696340), (44, 3522255), (55, 2817804), (60, 2582987), (66, 2348170), (110, 1408902), (121, 1280820), (132, 1174085), (165, 939268), (220, 704451), (242, 640410), (330, 469634), (363, 426940), (484, 320205), (605, 256164), (660, 234817), (726, 213470), (1210, 128082), (1452, 106735), (1815, 85388), (2420, 64041), (3630, 42694), (7260, 21347)]