79777680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{677}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 248180544

約数和(自身を除く): 168402864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 677, 982, 1354, 1473, 1964, 2031, 2455, 2708, 2946, 3385, 3928, 4062, 4910, 5416, 5892, 6770, 7365, 7856, 8124, 9820, 10155, 10832, 11784, 13540, 14730, 16248, 19640, 20310, 23568, 27080, 29460, 32496, 39280, 40620, 54160, 58920, 81240, 117840, 162480, 332407, 664814, 997221, 1329628, 1662035, 1994442, 2659256, 3324070, 3988884, 4986105, 5318512, 6648140, 7977768, 9972210, 13296280, 15955536, 19944420, 26592560, 39888840, 79777680]

約数ペア:

[(1, 79777680), (2, 39888840), (3, 26592560), (4, 19944420), (5, 15955536), (6, 13296280), (8, 9972210), (10, 7977768), (12, 6648140), (15, 5318512), (16, 4986105), (20, 3988884), (24, 3324070), (30, 2659256), (40, 1994442), (48, 1662035), (60, 1329628), (80, 997221), (120, 664814), (240, 332407), (491, 162480), (677, 117840), (982, 81240), (1354, 58920), (1473, 54160), (1964, 40620), (2031, 39280), (2455, 32496), (2708, 29460), (2946, 27080), (3385, 23568), (3928, 20310), (4062, 19640), (4910, 16248), (5416, 14730), (5892, 13540), (6770, 11784), (7365, 10832), (7856, 10155), (8124, 9820)]