128548740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{311}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 365496768

約数和(自身を除く): 236948028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 311, 332, 415, 498, 622, 830, 933, 996, 1244, 1245, 1555, 1660, 1866, 2490, 3110, 3732, 4665, 4980, 6220, 6889, 9330, 13778, 18660, 20667, 25813, 27556, 34445, 41334, 51626, 68890, 77439, 82668, 103252, 103335, 129065, 137780, 154878, 206670, 258130, 309756, 387195, 413340, 516260, 774390, 1548780, 2142479, 4284958, 6427437, 8569916, 10712395, 12854874, 21424790, 25709748, 32137185, 42849580, 64274370, 128548740]

約数ペア:

[(1, 128548740), (2, 64274370), (3, 42849580), (4, 32137185), (5, 25709748), (6, 21424790), (10, 12854874), (12, 10712395), (15, 8569916), (20, 6427437), (30, 4284958), (60, 2142479), (83, 1548780), (166, 774390), (249, 516260), (311, 413340), (332, 387195), (415, 309756), (498, 258130), (622, 206670), (830, 154878), (933, 137780), (996, 129065), (1244, 103335), (1245, 103252), (1555, 82668), (1660, 77439), (1866, 68890), (2490, 51626), (3110, 41334), (3732, 34445), (4665, 27556), (4980, 25813), (6220, 20667), (6889, 18660), (9330, 13778)]