80102120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6653}}^1$

素因数の和:6714

約数の個数: 64

約数和(自身を含む): 210798720

約数和(自身を除く): 130696600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 6653, 12040, 13306, 26612, 33265, 46571, 53224, 66530, 93142, 133060, 186284, 232855, 266120, 286079, 372568, 465710, 572158, 931420, 1144316, 1430395, 1862840, 2002553, 2288632, 2860790, 4005106, 5721580, 8010212, 10012765, 11443160, 16020424, 20025530, 40051060, 80102120]

約数ペア:

[(1, 80102120), (2, 40051060), (4, 20025530), (5, 16020424), (7, 11443160), (8, 10012765), (10, 8010212), (14, 5721580), (20, 4005106), (28, 2860790), (35, 2288632), (40, 2002553), (43, 1862840), (56, 1430395), (70, 1144316), (86, 931420), (140, 572158), (172, 465710), (215, 372568), (280, 286079), (301, 266120), (344, 232855), (430, 186284), (602, 133060), (860, 93142), (1204, 66530), (1505, 53224), (1720, 46571), (2408, 33265), (3010, 26612), (6020, 13306), (6653, 12040)]