31235220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{6427}}^1$

素因数の和:6451

約数の個数: 72

約数和(自身を含む): 98271264

約数和(自身を除く): 67036044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 6427, 12854, 19281, 25708, 32135, 38562, 57843, 64270, 77124, 96405, 115686, 128540, 173529, 192810, 231372, 289215, 347058, 385620, 520587, 578430, 694116, 867645, 1041174, 1156860, 1561761, 1735290, 2082348, 2602935, 3123522, 3470580, 5205870, 6247044, 7808805, 10411740, 15617610, 31235220]

約数ペア:

[(1, 31235220), (2, 15617610), (3, 10411740), (4, 7808805), (5, 6247044), (6, 5205870), (9, 3470580), (10, 3123522), (12, 2602935), (15, 2082348), (18, 1735290), (20, 1561761), (27, 1156860), (30, 1041174), (36, 867645), (45, 694116), (54, 578430), (60, 520587), (81, 385620), (90, 347058), (108, 289215), (135, 231372), (162, 192810), (180, 173529), (243, 128540), (270, 115686), (324, 96405), (405, 77124), (486, 64270), (540, 57843), (810, 38562), (972, 32135), (1215, 25708), (1620, 19281), (2430, 12854), (4860, 6427)]