81830040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1753}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 246261600

約数和(自身を除く): 164431560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1753, 1945, 2334, 3112, 3506, 3890, 4668, 5259, 5835, 7012, 7780, 8765, 9336, 10518, 11670, 14024, 15560, 17530, 21036, 23340, 26295, 35060, 42072, 46680, 52590, 70120, 105180, 210360, 681917, 1363834, 2045751, 2727668, 3409585, 4091502, 5455336, 6819170, 8183004, 10228755, 13638340, 16366008, 20457510, 27276680, 40915020, 81830040]

約数ペア:

[(1, 81830040), (2, 40915020), (3, 27276680), (4, 20457510), (5, 16366008), (6, 13638340), (8, 10228755), (10, 8183004), (12, 6819170), (15, 5455336), (20, 4091502), (24, 3409585), (30, 2727668), (40, 2045751), (60, 1363834), (120, 681917), (389, 210360), (778, 105180), (1167, 70120), (1556, 52590), (1753, 46680), (1945, 42072), (2334, 35060), (3112, 26295), (3506, 23340), (3890, 21036), (4668, 17530), (5259, 15560), (5835, 14024), (7012, 11670), (7780, 10518), (8765, 9336)]