2220540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 7547904

約数和(自身を除く): 5327364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 311, 340, 357, 420, 476, 510, 595, 622, 714, 933, 1020, 1190, 1244, 1428, 1555, 1785, 1866, 2177, 2380, 3110, 3570, 3732, 4354, 4665, 5287, 6220, 6531, 7140, 8708, 9330, 10574, 10885, 13062, 15861, 18660, 21148, 21770, 26124, 26435, 31722, 32655, 37009, 43540, 52870, 63444, 65310, 74018, 79305, 105740, 111027, 130620, 148036, 158610, 185045, 222054, 317220, 370090, 444108, 555135, 740180, 1110270, 2220540]

約数ペア:

[(1, 2220540), (2, 1110270), (3, 740180), (4, 555135), (5, 444108), (6, 370090), (7, 317220), (10, 222054), (12, 185045), (14, 158610), (15, 148036), (17, 130620), (20, 111027), (21, 105740), (28, 79305), (30, 74018), (34, 65310), (35, 63444), (42, 52870), (51, 43540), (60, 37009), (68, 32655), (70, 31722), (84, 26435), (85, 26124), (102, 21770), (105, 21148), (119, 18660), (140, 15861), (170, 13062), (204, 10885), (210, 10574), (238, 9330), (255, 8708), (311, 7140), (340, 6531), (357, 6220), (420, 5287), (476, 4665), (510, 4354), (595, 3732), (622, 3570), (714, 3110), (933, 2380), (1020, 2177), (1190, 1866), (1244, 1785), (1428, 1555)]