78935640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93971}}^1$

素因数の和:93992

約数の個数: 64

約数和(自身を含む): 270639360

約数和(自身を除く): 191703720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93971, 187942, 281913, 375884, 469855, 563826, 657797, 751768, 939710, 1127652, 1315594, 1409565, 1879420, 1973391, 2255304, 2631188, 2819130, 3288985, 3758840, 3946782, 5262376, 5638260, 6577970, 7893564, 9866955, 11276520, 13155940, 15787128, 19733910, 26311880, 39467820, 78935640]

約数ペア:

[(1, 78935640), (2, 39467820), (3, 26311880), (4, 19733910), (5, 15787128), (6, 13155940), (7, 11276520), (8, 9866955), (10, 7893564), (12, 6577970), (14, 5638260), (15, 5262376), (20, 3946782), (21, 3758840), (24, 3288985), (28, 2819130), (30, 2631188), (35, 2255304), (40, 1973391), (42, 1879420), (56, 1409565), (60, 1315594), (70, 1127652), (84, 939710), (105, 751768), (120, 657797), (140, 563826), (168, 469855), (210, 375884), (280, 281913), (420, 187942), (840, 93971)]