156638820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{491}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 474445440

約数和(自身を除く): 317806620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 409, 491, 780, 818, 982, 1227, 1473, 1636, 1964, 2045, 2454, 2455, 2946, 4090, 4908, 4910, 5317, 5892, 6135, 6383, 7365, 8180, 9820, 10634, 12270, 12766, 14730, 15951, 19149, 21268, 24540, 25532, 26585, 29460, 31902, 31915, 38298, 53170, 63804, 63830, 76596, 79755, 95745, 106340, 127660, 159510, 191490, 200819, 319020, 382980, 401638, 602457, 803276, 1004095, 1204914, 2008190, 2409828, 2610647, 3012285, 4016380, 5221294, 6024570, 7831941, 10442588, 12049140, 13053235, 15663882, 26106470, 31327764, 39159705, 52212940, 78319410, 156638820]

約数ペア:

[(1, 156638820), (2, 78319410), (3, 52212940), (4, 39159705), (5, 31327764), (6, 26106470), (10, 15663882), (12, 13053235), (13, 12049140), (15, 10442588), (20, 7831941), (26, 6024570), (30, 5221294), (39, 4016380), (52, 3012285), (60, 2610647), (65, 2409828), (78, 2008190), (130, 1204914), (156, 1004095), (195, 803276), (260, 602457), (390, 401638), (409, 382980), (491, 319020), (780, 200819), (818, 191490), (982, 159510), (1227, 127660), (1473, 106340), (1636, 95745), (1964, 79755), (2045, 76596), (2454, 63830), (2455, 63804), (2946, 53170), (4090, 38298), (4908, 31915), (4910, 31902), (5317, 29460), (5892, 26585), (6135, 25532), (6383, 24540), (7365, 21268), (8180, 19149), (9820, 15951), (10634, 14730), (12270, 12766)]