204728940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87491}}^1$

素因数の和:87519

約数の個数: 72

約数和(自身を含む): 668788848

約数和(自身を除く): 464059908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 87491, 174982, 262473, 349964, 437455, 524946, 787419, 874910, 1049892, 1137383, 1312365, 1574838, 1749820, 2274766, 2624730, 3149676, 3412149, 3937095, 4549532, 5249460, 5686915, 6824298, 7874190, 10236447, 11373830, 13648596, 15748380, 17060745, 20472894, 22747660, 34121490, 40945788, 51182235, 68242980, 102364470, 204728940]

約数ペア:

[(1, 204728940), (2, 102364470), (3, 68242980), (4, 51182235), (5, 40945788), (6, 34121490), (9, 22747660), (10, 20472894), (12, 17060745), (13, 15748380), (15, 13648596), (18, 11373830), (20, 10236447), (26, 7874190), (30, 6824298), (36, 5686915), (39, 5249460), (45, 4549532), (52, 3937095), (60, 3412149), (65, 3149676), (78, 2624730), (90, 2274766), (117, 1749820), (130, 1574838), (156, 1312365), (180, 1137383), (195, 1049892), (234, 874910), (260, 787419), (390, 524946), (468, 437455), (585, 349964), (780, 262473), (1170, 174982), (2340, 87491)]