31918380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 97241088

約数和(自身を除く): 65322708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 151, 156, 195, 260, 271, 302, 390, 453, 542, 604, 755, 780, 813, 906, 1084, 1355, 1510, 1626, 1812, 1963, 2265, 2710, 3020, 3252, 3523, 3926, 4065, 4530, 5420, 5889, 7046, 7852, 8130, 9060, 9815, 10569, 11778, 14092, 16260, 17615, 19630, 21138, 23556, 29445, 35230, 39260, 40921, 42276, 52845, 58890, 70460, 81842, 105690, 117780, 122763, 163684, 204605, 211380, 245526, 409210, 491052, 531973, 613815, 818420, 1063946, 1227630, 1595919, 2127892, 2455260, 2659865, 3191838, 5319730, 6383676, 7979595, 10639460, 15959190, 31918380]

約数ペア:

[(1, 31918380), (2, 15959190), (3, 10639460), (4, 7979595), (5, 6383676), (6, 5319730), (10, 3191838), (12, 2659865), (13, 2455260), (15, 2127892), (20, 1595919), (26, 1227630), (30, 1063946), (39, 818420), (52, 613815), (60, 531973), (65, 491052), (78, 409210), (130, 245526), (151, 211380), (156, 204605), (195, 163684), (260, 122763), (271, 117780), (302, 105690), (390, 81842), (453, 70460), (542, 58890), (604, 52845), (755, 42276), (780, 40921), (813, 39260), (906, 35230), (1084, 29445), (1355, 23556), (1510, 21138), (1626, 19630), (1812, 17615), (1963, 16260), (2265, 14092), (2710, 11778), (3020, 10569), (3252, 9815), (3523, 9060), (3926, 8130), (4065, 7852), (4530, 7046), (5420, 5889)]