30681540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7411}}^1$

素因数の和:7449

約数の個数: 72

約数和(自身を含む): 97126848

約数和(自身を除く): 66445308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7411, 14822, 22233, 29644, 37055, 44466, 66699, 74110, 88932, 111165, 133398, 148220, 170453, 222330, 266796, 333495, 340906, 444660, 511359, 666990, 681812, 852265, 1022718, 1333980, 1534077, 1704530, 2045436, 2556795, 3068154, 3409060, 5113590, 6136308, 7670385, 10227180, 15340770, 30681540]

約数ペア:

[(1, 30681540), (2, 15340770), (3, 10227180), (4, 7670385), (5, 6136308), (6, 5113590), (9, 3409060), (10, 3068154), (12, 2556795), (15, 2045436), (18, 1704530), (20, 1534077), (23, 1333980), (30, 1022718), (36, 852265), (45, 681812), (46, 666990), (60, 511359), (69, 444660), (90, 340906), (92, 333495), (115, 266796), (138, 222330), (180, 170453), (207, 148220), (230, 133398), (276, 111165), (345, 88932), (414, 74110), (460, 66699), (690, 44466), (828, 37055), (1035, 29644), (1380, 22233), (2070, 14822), (4140, 7411)]