31465680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3049}}^1$

素因数の和:3108

約数の個数: 80

約数和(自身を含む): 99844800

約数和(自身を除く): 68379120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3049, 3440, 5160, 6098, 9147, 10320, 12196, 15245, 18294, 24392, 30490, 36588, 45735, 48784, 60980, 73176, 91470, 121960, 131107, 146352, 182940, 243920, 262214, 365880, 393321, 524428, 655535, 731760, 786642, 1048856, 1311070, 1573284, 1966605, 2097712, 2622140, 3146568, 3933210, 5244280, 6293136, 7866420, 10488560, 15732840, 31465680]

約数ペア:

[(1, 31465680), (2, 15732840), (3, 10488560), (4, 7866420), (5, 6293136), (6, 5244280), (8, 3933210), (10, 3146568), (12, 2622140), (15, 2097712), (16, 1966605), (20, 1573284), (24, 1311070), (30, 1048856), (40, 786642), (43, 731760), (48, 655535), (60, 524428), (80, 393321), (86, 365880), (120, 262214), (129, 243920), (172, 182940), (215, 146352), (240, 131107), (258, 121960), (344, 91470), (430, 73176), (516, 60980), (645, 48784), (688, 45735), (860, 36588), (1032, 30490), (1290, 24392), (1720, 18294), (2064, 15245), (2580, 12196), (3049, 10320), (3440, 9147), (5160, 6098)]