220418520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4951}}^1$

素因数の和:5025

約数の個数: 128

約数和(自身を含む): 770135040

約数和(自身を除く): 549716520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 4951, 5565, 6360, 7420, 8904, 9902, 11130, 14840, 14853, 19804, 22260, 24755, 29706, 34657, 39608, 44520, 49510, 59412, 69314, 74265, 99020, 103971, 118824, 138628, 148530, 173285, 198040, 207942, 262403, 277256, 297060, 346570, 415884, 519855, 524806, 594120, 693140, 787209, 831768, 1039710, 1049612, 1312015, 1386280, 1574418, 1836821, 2079420, 2099224, 2624030, 3148836, 3673642, 3936045, 4158840, 5248060, 5510463, 6297672, 7347284, 7872090, 9184105, 10496120, 11020926, 14694568, 15744180, 18368210, 22041852, 27552315, 31488360, 36736420, 44083704, 55104630, 73472840, 110209260, 220418520]

約数ペア:

[(1, 220418520), (2, 110209260), (3, 73472840), (4, 55104630), (5, 44083704), (6, 36736420), (7, 31488360), (8, 27552315), (10, 22041852), (12, 18368210), (14, 15744180), (15, 14694568), (20, 11020926), (21, 10496120), (24, 9184105), (28, 7872090), (30, 7347284), (35, 6297672), (40, 5510463), (42, 5248060), (53, 4158840), (56, 3936045), (60, 3673642), (70, 3148836), (84, 2624030), (105, 2099224), (106, 2079420), (120, 1836821), (140, 1574418), (159, 1386280), (168, 1312015), (210, 1049612), (212, 1039710), (265, 831768), (280, 787209), (318, 693140), (371, 594120), (420, 524806), (424, 519855), (530, 415884), (636, 346570), (742, 297060), (795, 277256), (840, 262403), (1060, 207942), (1113, 198040), (1272, 173285), (1484, 148530), (1590, 138628), (1855, 118824), (2120, 103971), (2226, 99020), (2968, 74265), (3180, 69314), (3710, 59412), (4452, 49510), (4951, 44520), (5565, 39608), (6360, 34657), (7420, 29706), (8904, 24755), (9902, 22260), (11130, 19804), (14840, 14853)]