31279620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 92123136

約数和(自身を除く): 60843516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 67, 93, 124, 134, 155, 186, 201, 251, 268, 310, 335, 372, 402, 465, 502, 620, 670, 753, 804, 930, 1004, 1005, 1255, 1340, 1506, 1860, 2010, 2077, 2510, 3012, 3765, 4020, 4154, 5020, 6231, 7530, 7781, 8308, 10385, 12462, 15060, 15562, 16817, 20770, 23343, 24924, 31124, 31155, 33634, 38905, 41540, 46686, 50451, 62310, 67268, 77810, 84085, 93372, 100902, 116715, 124620, 155620, 168170, 201804, 233430, 252255, 336340, 466860, 504510, 521327, 1009020, 1042654, 1563981, 2085308, 2606635, 3127962, 5213270, 6255924, 7819905, 10426540, 15639810, 31279620]

約数ペア:

[(1, 31279620), (2, 15639810), (3, 10426540), (4, 7819905), (5, 6255924), (6, 5213270), (10, 3127962), (12, 2606635), (15, 2085308), (20, 1563981), (30, 1042654), (31, 1009020), (60, 521327), (62, 504510), (67, 466860), (93, 336340), (124, 252255), (134, 233430), (155, 201804), (186, 168170), (201, 155620), (251, 124620), (268, 116715), (310, 100902), (335, 93372), (372, 84085), (402, 77810), (465, 67268), (502, 62310), (620, 50451), (670, 46686), (753, 41540), (804, 38905), (930, 33634), (1004, 31155), (1005, 31124), (1255, 24924), (1340, 23343), (1506, 20770), (1860, 16817), (2010, 15562), (2077, 15060), (2510, 12462), (3012, 10385), (3765, 8308), (4020, 7781), (4154, 7530), (5020, 6231)]