30661875

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 80

約数和(自身を含む): 59980800

約数和(自身を除く): 29318925

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 79, 115, 125, 135, 207, 225, 237, 345, 375, 395, 575, 621, 625, 675, 711, 1035, 1125, 1185, 1725, 1817, 1875, 1975, 2133, 2875, 3105, 3375, 3555, 5175, 5451, 5625, 5925, 8625, 9085, 9875, 10665, 14375, 15525, 16353, 16875, 17775, 25875, 27255, 29625, 43125, 45425, 49059, 49375, 53325, 77625, 81765, 88875, 129375, 136275, 148125, 227125, 245295, 266625, 388125, 408825, 444375, 681375, 1135625, 1226475, 1333125, 2044125, 3406875, 6132375, 10220625, 30661875]

約数ペア:

[(1, 30661875), (3, 10220625), (5, 6132375), (9, 3406875), (15, 2044125), (23, 1333125), (25, 1226475), (27, 1135625), (45, 681375), (69, 444375), (75, 408825), (79, 388125), (115, 266625), (125, 245295), (135, 227125), (207, 148125), (225, 136275), (237, 129375), (345, 88875), (375, 81765), (395, 77625), (575, 53325), (621, 49375), (625, 49059), (675, 45425), (711, 43125), (1035, 29625), (1125, 27255), (1185, 25875), (1725, 17775), (1817, 16875), (1875, 16353), (1975, 15525), (2133, 14375), (2875, 10665), (3105, 9875), (3375, 9085), (3555, 8625), (5175, 5925), (5451, 5625)]