80359740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23497}}^1$

素因数の和:23531

約数の個数: 72

約数和(自身を含む): 256598160

約数和(自身を除く): 176238420

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, 23497, 46994, 70491, 93988, 117485, 140982, 211473, 234970, 281964, 352455, 422946, 446443, 469940, 704910, 845892, 892886, 1057365, 1339329, 1409820, 1785772, 2114730, 2232215, 2678658, 4017987, 4229460, 4464430, 5357316, 6696645, 8035974, 8928860, 13393290, 16071948, 20089935, 26786580, 40179870, 80359740]

約数ペア:

[(1, 80359740), (2, 40179870), (3, 26786580), (4, 20089935), (5, 16071948), (6, 13393290), (9, 8928860), (10, 8035974), (12, 6696645), (15, 5357316), (18, 4464430), (19, 4229460), (20, 4017987), (30, 2678658), (36, 2232215), (38, 2114730), (45, 1785772), (57, 1409820), (60, 1339329), (76, 1057365), (90, 892886), (95, 845892), (114, 704910), (171, 469940), (180, 446443), (190, 422946), (228, 352455), (285, 281964), (342, 234970), (380, 211473), (570, 140982), (684, 117485), (855, 93988), (1140, 70491), (1710, 46994), (3420, 23497)]