8157180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 23969232

約数和(自身を除く): 15812052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 257, 276, 345, 460, 514, 529, 690, 771, 1028, 1058, 1285, 1380, 1542, 1587, 2116, 2570, 2645, 3084, 3174, 3855, 5140, 5290, 5911, 6348, 7710, 7935, 10580, 11822, 15420, 15870, 17733, 23644, 29555, 31740, 35466, 59110, 70932, 88665, 118220, 135953, 177330, 271906, 354660, 407859, 543812, 679765, 815718, 1359530, 1631436, 2039295, 2719060, 4078590, 8157180]

約数ペア:

[(1, 8157180), (2, 4078590), (3, 2719060), (4, 2039295), (5, 1631436), (6, 1359530), (10, 815718), (12, 679765), (15, 543812), (20, 407859), (23, 354660), (30, 271906), (46, 177330), (60, 135953), (69, 118220), (92, 88665), (115, 70932), (138, 59110), (230, 35466), (257, 31740), (276, 29555), (345, 23644), (460, 17733), (514, 15870), (529, 15420), (690, 11822), (771, 10580), (1028, 7935), (1058, 7710), (1285, 6348), (1380, 5911), (1542, 5290), (1587, 5140), (2116, 3855), (2570, 3174), (2645, 3084)]