78810615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 151989552

約数和(自身を除く): 73178937

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 169, 195, 215, 241, 387, 507, 559, 585, 645, 723, 845, 1205, 1521, 1677, 1935, 2169, 2535, 2795, 3133, 3615, 5031, 7267, 7605, 8385, 9399, 10363, 10845, 15665, 21801, 25155, 28197, 31089, 36335, 40729, 46995, 51815, 65403, 93267, 109005, 122187, 134719, 140985, 155445, 203645, 327015, 366561, 404157, 466335, 610935, 673595, 1212471, 1751347, 1832805, 2020785, 5254041, 6062355, 8756735, 15762123, 26270205, 78810615]

約数ペア:

[(1, 78810615), (3, 26270205), (5, 15762123), (9, 8756735), (13, 6062355), (15, 5254041), (39, 2020785), (43, 1832805), (45, 1751347), (65, 1212471), (117, 673595), (129, 610935), (169, 466335), (195, 404157), (215, 366561), (241, 327015), (387, 203645), (507, 155445), (559, 140985), (585, 134719), (645, 122187), (723, 109005), (845, 93267), (1205, 65403), (1521, 51815), (1677, 46995), (1935, 40729), (2169, 36335), (2535, 31089), (2795, 28197), (3133, 25155), (3615, 21801), (5031, 15665), (7267, 10845), (7605, 10363), (8385, 9399)]