81698370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{773}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 212212224

約数和(自身を除く): 130513854

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 271, 390, 542, 773, 813, 1355, 1546, 1626, 2319, 2710, 3523, 3865, 4065, 4638, 7046, 7730, 8130, 10049, 10569, 11595, 17615, 20098, 21138, 23190, 30147, 35230, 50245, 52845, 60294, 100490, 105690, 150735, 209483, 301470, 418966, 628449, 1047415, 1256898, 2094830, 2723279, 3142245, 5446558, 6284490, 8169837, 13616395, 16339674, 27232790, 40849185, 81698370]

約数ペア:

[(1, 81698370), (2, 40849185), (3, 27232790), (5, 16339674), (6, 13616395), (10, 8169837), (13, 6284490), (15, 5446558), (26, 3142245), (30, 2723279), (39, 2094830), (65, 1256898), (78, 1047415), (130, 628449), (195, 418966), (271, 301470), (390, 209483), (542, 150735), (773, 105690), (813, 100490), (1355, 60294), (1546, 52845), (1626, 50245), (2319, 35230), (2710, 30147), (3523, 23190), (3865, 21138), (4065, 20098), (4638, 17615), (7046, 11595), (7730, 10569), (8130, 10049)]