31318280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3023}}^1$

素因数の和:3078

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 51418360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 3023, 5180, 6046, 10360, 12092, 15115, 21161, 24184, 30230, 42322, 60460, 84644, 105805, 111851, 120920, 169288, 211610, 223702, 423220, 447404, 559255, 782957, 846440, 894808, 1118510, 1565914, 2237020, 3131828, 3914785, 4474040, 6263656, 7829570, 15659140, 31318280]

約数ペア:

[(1, 31318280), (2, 15659140), (4, 7829570), (5, 6263656), (7, 4474040), (8, 3914785), (10, 3131828), (14, 2237020), (20, 1565914), (28, 1118510), (35, 894808), (37, 846440), (40, 782957), (56, 559255), (70, 447404), (74, 423220), (140, 223702), (148, 211610), (185, 169288), (259, 120920), (280, 111851), (296, 105805), (370, 84644), (518, 60460), (740, 42322), (1036, 30230), (1295, 24184), (1480, 21161), (2072, 15115), (2590, 12092), (3023, 10360), (5180, 6046)]