202180760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1583}}^1$

素因数の和:1728

約数の個数: 64

約数和(自身を含む): 474439680

約数和(自身を除く): 272258920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 1583, 2060, 3166, 3193, 4120, 6332, 6386, 7915, 12664, 12772, 15830, 15965, 25544, 31660, 31930, 49073, 63320, 63860, 98146, 127720, 163049, 196292, 245365, 326098, 392584, 490730, 652196, 815245, 981460, 1304392, 1630490, 1962920, 3260980, 5054519, 6521960, 10109038, 20218076, 25272595, 40436152, 50545190, 101090380, 202180760]

約数ペア:

[(1, 202180760), (2, 101090380), (4, 50545190), (5, 40436152), (8, 25272595), (10, 20218076), (20, 10109038), (31, 6521960), (40, 5054519), (62, 3260980), (103, 1962920), (124, 1630490), (155, 1304392), (206, 981460), (248, 815245), (310, 652196), (412, 490730), (515, 392584), (620, 326098), (824, 245365), (1030, 196292), (1240, 163049), (1583, 127720), (2060, 98146), (3166, 63860), (3193, 63320), (4120, 49073), (6332, 31930), (6386, 31660), (7915, 25544), (12664, 15965), (12772, 15830)]