260015140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1549}}^1$

素因数の和:1685

約数の個数: 96

約数和(自身を含む): 687456000

約数和(自身を除く): 427440860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 140, 154, 218, 220, 308, 385, 436, 545, 763, 770, 1090, 1199, 1526, 1540, 1549, 2180, 2398, 3052, 3098, 3815, 4796, 5995, 6196, 7630, 7745, 8393, 10843, 11990, 15260, 15490, 16786, 17039, 21686, 23980, 30980, 33572, 34078, 41965, 43372, 54215, 68156, 83930, 85195, 108430, 119273, 167860, 168841, 170390, 216860, 238546, 337682, 340780, 477092, 596365, 675364, 844205, 1181887, 1192730, 1688410, 1857251, 2363774, 2385460, 3376820, 3714502, 4727548, 5909435, 7429004, 9286255, 11818870, 13000757, 18572510, 23637740, 26001514, 37145020, 52003028, 65003785, 130007570, 260015140]

約数ペア:

[(1, 260015140), (2, 130007570), (4, 65003785), (5, 52003028), (7, 37145020), (10, 26001514), (11, 23637740), (14, 18572510), (20, 13000757), (22, 11818870), (28, 9286255), (35, 7429004), (44, 5909435), (55, 4727548), (70, 3714502), (77, 3376820), (109, 2385460), (110, 2363774), (140, 1857251), (154, 1688410), (218, 1192730), (220, 1181887), (308, 844205), (385, 675364), (436, 596365), (545, 477092), (763, 340780), (770, 337682), (1090, 238546), (1199, 216860), (1526, 170390), (1540, 168841), (1549, 167860), (2180, 119273), (2398, 108430), (3052, 85195), (3098, 83930), (3815, 68156), (4796, 54215), (5995, 43372), (6196, 41965), (7630, 34078), (7745, 33572), (8393, 30980), (10843, 23980), (11990, 21686), (15260, 17039), (15490, 16786)]