128386680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2179}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 386121600

約数和(自身を除く): 257734920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2179, 2455, 2946, 3928, 4358, 4910, 5892, 6537, 7365, 8716, 9820, 10895, 11784, 13074, 14730, 17432, 19640, 21790, 26148, 29460, 32685, 43580, 52296, 58920, 65370, 87160, 130740, 261480, 1069889, 2139778, 3209667, 4279556, 5349445, 6419334, 8559112, 10698890, 12838668, 16048335, 21397780, 25677336, 32096670, 42795560, 64193340, 128386680]

約数ペア:

[(1, 128386680), (2, 64193340), (3, 42795560), (4, 32096670), (5, 25677336), (6, 21397780), (8, 16048335), (10, 12838668), (12, 10698890), (15, 8559112), (20, 6419334), (24, 5349445), (30, 4279556), (40, 3209667), (60, 2139778), (120, 1069889), (491, 261480), (982, 130740), (1473, 87160), (1964, 65370), (2179, 58920), (2455, 52296), (2946, 43580), (3928, 32685), (4358, 29460), (4910, 26148), (5892, 21790), (6537, 19640), (7365, 17432), (8716, 14730), (9820, 13074), (10895, 11784)]