71857620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1$

素因数の和:21045

約数の個数: 72

約数和(自身を含む): 229451040

約数和(自身を除く): 157593420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21011, 42022, 63033, 84044, 105055, 126066, 189099, 210110, 252132, 315165, 378198, 399209, 420220, 630330, 756396, 798418, 945495, 1197627, 1260660, 1596836, 1890990, 1996045, 2395254, 3592881, 3781980, 3992090, 4790508, 5988135, 7185762, 7984180, 11976270, 14371524, 17964405, 23952540, 35928810, 71857620]

約数ペア:

[(1, 71857620), (2, 35928810), (3, 23952540), (4, 17964405), (5, 14371524), (6, 11976270), (9, 7984180), (10, 7185762), (12, 5988135), (15, 4790508), (18, 3992090), (19, 3781980), (20, 3592881), (30, 2395254), (36, 1996045), (38, 1890990), (45, 1596836), (57, 1260660), (60, 1197627), (76, 945495), (90, 798418), (95, 756396), (114, 630330), (171, 420220), (180, 399209), (190, 378198), (228, 315165), (285, 252132), (342, 210110), (380, 189099), (570, 126066), (684, 105055), (855, 84044), (1140, 63033), (1710, 42022), (3420, 21011)]