71317680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42451}}^1$

素因数の和:42474

約数の個数: 80

約数和(自身を含む): 252674304

約数和(自身を除く): 181356624

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, 42451, 84902, 127353, 169804, 212255, 254706, 297157, 339608, 424510, 509412, 594314, 636765, 679216, 849020, 891471, 1018824, 1188628, 1273530, 1485785, 1698040, 1782942, 2037648, 2377256, 2547060, 2971570, 3396080, 3565884, 4457355, 4754512, 5094120, 5943140, 7131768, 8914710, 10188240, 11886280, 14263536, 17829420, 23772560, 35658840, 71317680]

約数ペア:

[(1, 71317680), (2, 35658840), (3, 23772560), (4, 17829420), (5, 14263536), (6, 11886280), (7, 10188240), (8, 8914710), (10, 7131768), (12, 5943140), (14, 5094120), (15, 4754512), (16, 4457355), (20, 3565884), (21, 3396080), (24, 2971570), (28, 2547060), (30, 2377256), (35, 2037648), (40, 1782942), (42, 1698040), (48, 1485785), (56, 1273530), (60, 1188628), (70, 1018824), (80, 891471), (84, 849020), (105, 679216), (112, 636765), (120, 594314), (140, 509412), (168, 424510), (210, 339608), (240, 297157), (280, 254706), (336, 212255), (420, 169804), (560, 127353), (840, 84902), (1680, 42451)]