181286460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43789}}^1$

素因数の和:43827

約数の個数: 72

約数和(自身を含む): 573824160

約数和(自身を除く): 392537700

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, 43789, 87578, 131367, 175156, 218945, 262734, 394101, 437890, 525468, 656835, 788202, 875780, 1007147, 1313670, 1576404, 1970505, 2014294, 2627340, 3021441, 3941010, 4028588, 5035735, 6042882, 7882020, 9064323, 10071470, 12085764, 15107205, 18128646, 20142940, 30214410, 36257292, 45321615, 60428820, 90643230, 181286460]

約数ペア:

[(1, 181286460), (2, 90643230), (3, 60428820), (4, 45321615), (5, 36257292), (6, 30214410), (9, 20142940), (10, 18128646), (12, 15107205), (15, 12085764), (18, 10071470), (20, 9064323), (23, 7882020), (30, 6042882), (36, 5035735), (45, 4028588), (46, 3941010), (60, 3021441), (69, 2627340), (90, 2014294), (92, 1970505), (115, 1576404), (138, 1313670), (180, 1007147), (207, 875780), (230, 788202), (276, 656835), (345, 525468), (414, 437890), (460, 394101), (690, 262734), (828, 218945), (1035, 175156), (1380, 131367), (2070, 87578), (4140, 43789)]