76975640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 198711360

約数和(自身を除く): 121735720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 421, 653, 842, 1306, 1684, 2105, 2612, 2947, 3265, 3368, 4210, 4571, 5224, 5894, 6530, 8420, 9142, 11788, 13060, 14735, 16840, 18284, 22855, 23576, 26120, 29470, 36568, 45710, 58940, 91420, 117880, 182840, 274913, 549826, 1099652, 1374565, 1924391, 2199304, 2749130, 3848782, 5498260, 7697564, 9621955, 10996520, 15395128, 19243910, 38487820, 76975640]

約数ペア:

[(1, 76975640), (2, 38487820), (4, 19243910), (5, 15395128), (7, 10996520), (8, 9621955), (10, 7697564), (14, 5498260), (20, 3848782), (28, 2749130), (35, 2199304), (40, 1924391), (56, 1374565), (70, 1099652), (140, 549826), (280, 274913), (421, 182840), (653, 117880), (842, 91420), (1306, 58940), (1684, 45710), (2105, 36568), (2612, 29470), (2947, 26120), (3265, 23576), (3368, 22855), (4210, 18284), (4571, 16840), (5224, 14735), (5894, 13060), (6530, 11788), (8420, 9142)]