56878020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16665

約数の個数: 72

約数和(自身を含む): 181621440

約数和(自身を除く): 124743420

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, 16631, 33262, 49893, 66524, 83155, 99786, 149679, 166310, 199572, 249465, 299358, 315989, 332620, 498930, 598716, 631978, 748395, 947967, 997860, 1263956, 1496790, 1579945, 1895934, 2843901, 2993580, 3159890, 3791868, 4739835, 5687802, 6319780, 9479670, 11375604, 14219505, 18959340, 28439010, 56878020]

約数ペア:

[(1, 56878020), (2, 28439010), (3, 18959340), (4, 14219505), (5, 11375604), (6, 9479670), (9, 6319780), (10, 5687802), (12, 4739835), (15, 3791868), (18, 3159890), (19, 2993580), (20, 2843901), (30, 1895934), (36, 1579945), (38, 1496790), (45, 1263956), (57, 997860), (60, 947967), (76, 748395), (90, 631978), (95, 598716), (114, 498930), (171, 332620), (180, 315989), (190, 299358), (228, 249465), (285, 199572), (342, 166310), (380, 149679), (570, 99786), (684, 83155), (855, 66524), (1140, 49893), (1710, 33262), (3420, 16631)]