288830640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{171923}}^1$

素因数の和:171946

約数の個数: 80

約数和(自身を含む): 1023291648

約数和(自身を除く): 734461008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 171923, 343846, 515769, 687692, 859615, 1031538, 1203461, 1375384, 1719230, 2063076, 2406922, 2578845, 2750768, 3438460, 3610383, 4126152, 4813844, 5157690, 6017305, 6876920, 7220766, 8252304, 9627688, 10315380, 12034610, 13753840, 14441532, 18051915, 19255376, 20630760, 24069220, 28883064, 36103830, 41261520, 48138440, 57766128, 72207660, 96276880, 144415320, 288830640]

約数ペア:

[(1, 288830640), (2, 144415320), (3, 96276880), (4, 72207660), (5, 57766128), (6, 48138440), (7, 41261520), (8, 36103830), (10, 28883064), (12, 24069220), (14, 20630760), (15, 19255376), (16, 18051915), (20, 14441532), (21, 13753840), (24, 12034610), (28, 10315380), (30, 9627688), (35, 8252304), (40, 7220766), (42, 6876920), (48, 6017305), (56, 5157690), (60, 4813844), (70, 4126152), (80, 3610383), (84, 3438460), (105, 2750768), (112, 2578845), (120, 2406922), (140, 2063076), (168, 1719230), (210, 1375384), (240, 1203461), (280, 1031538), (336, 859615), (420, 687692), (560, 515769), (840, 343846), (1680, 171923)]