66820040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1429}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 106152760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1429, 1670, 2338, 2858, 3340, 4676, 5716, 5845, 6680, 7145, 9352, 10003, 11432, 11690, 14290, 20006, 23380, 28580, 40012, 46760, 50015, 57160, 80024, 100030, 200060, 238643, 400120, 477286, 954572, 1193215, 1670501, 1909144, 2386430, 3341002, 4772860, 6682004, 8352505, 9545720, 13364008, 16705010, 33410020, 66820040]

約数ペア:

[(1, 66820040), (2, 33410020), (4, 16705010), (5, 13364008), (7, 9545720), (8, 8352505), (10, 6682004), (14, 4772860), (20, 3341002), (28, 2386430), (35, 1909144), (40, 1670501), (56, 1193215), (70, 954572), (140, 477286), (167, 400120), (280, 238643), (334, 200060), (668, 100030), (835, 80024), (1169, 57160), (1336, 50015), (1429, 46760), (1670, 40012), (2338, 28580), (2858, 23380), (3340, 20006), (4676, 14290), (5716, 11690), (5845, 11432), (6680, 10003), (7145, 9352)]