1020214620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79829}}^1$

素因数の和:79915

約数の個数: 72

約数和(自身を含む): 3138276960

約数和(自身を除く): 2118062340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 79829, 159658, 239487, 319316, 399145, 478974, 718461, 798290, 957948, 1197435, 1436922, 1596580, 2394870, 2873844, 3592305, 4789740, 5667859, 7184610, 11335718, 14369220, 17003577, 22671436, 28339295, 34007154, 51010731, 56678590, 68014308, 85017885, 102021462, 113357180, 170035770, 204042924, 255053655, 340071540, 510107310, 1020214620]

約数ペア:

[(1, 1020214620), (2, 510107310), (3, 340071540), (4, 255053655), (5, 204042924), (6, 170035770), (9, 113357180), (10, 102021462), (12, 85017885), (15, 68014308), (18, 56678590), (20, 51010731), (30, 34007154), (36, 28339295), (45, 22671436), (60, 17003577), (71, 14369220), (90, 11335718), (142, 7184610), (180, 5667859), (213, 4789740), (284, 3592305), (355, 2873844), (426, 2394870), (639, 1596580), (710, 1436922), (852, 1197435), (1065, 957948), (1278, 798290), (1420, 718461), (2130, 478974), (2556, 399145), (3195, 319316), (4260, 239487), (6390, 159658), (12780, 79829)]