2158020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 6901440

約数和(自身を除く): 4743420

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, 631, 684, 855, 1140, 1262, 1710, 1893, 2524, 3155, 3420, 3786, 5679, 6310, 7572, 9465, 11358, 11989, 12620, 18930, 22716, 23978, 28395, 35967, 37860, 47956, 56790, 59945, 71934, 107901, 113580, 119890, 143868, 179835, 215802, 239780, 359670, 431604, 539505, 719340, 1079010, 2158020]

約数ペア:

[(1, 2158020), (2, 1079010), (3, 719340), (4, 539505), (5, 431604), (6, 359670), (9, 239780), (10, 215802), (12, 179835), (15, 143868), (18, 119890), (19, 113580), (20, 107901), (30, 71934), (36, 59945), (38, 56790), (45, 47956), (57, 37860), (60, 35967), (76, 28395), (90, 23978), (95, 22716), (114, 18930), (171, 12620), (180, 11989), (190, 11358), (228, 9465), (285, 7572), (342, 6310), (380, 5679), (570, 3786), (631, 3420), (684, 3155), (855, 2524), (1140, 1893), (1262, 1710)]