77106640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 194737536

約数和(自身を除く): 117630896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 491, 520, 604, 755, 982, 1040, 1208, 1510, 1963, 1964, 2416, 2455, 3020, 3926, 3928, 4910, 6040, 6383, 7852, 7856, 9815, 9820, 12080, 12766, 15704, 19630, 19640, 25532, 31408, 31915, 39260, 39280, 51064, 63830, 74141, 78520, 102128, 127660, 148282, 157040, 255320, 296564, 370705, 510640, 593128, 741410, 963833, 1186256, 1482820, 1927666, 2965640, 3855332, 4819165, 5931280, 7710664, 9638330, 15421328, 19276660, 38553320, 77106640]

約数ペア:

[(1, 77106640), (2, 38553320), (4, 19276660), (5, 15421328), (8, 9638330), (10, 7710664), (13, 5931280), (16, 4819165), (20, 3855332), (26, 2965640), (40, 1927666), (52, 1482820), (65, 1186256), (80, 963833), (104, 741410), (130, 593128), (151, 510640), (208, 370705), (260, 296564), (302, 255320), (491, 157040), (520, 148282), (604, 127660), (755, 102128), (982, 78520), (1040, 74141), (1208, 63830), (1510, 51064), (1963, 39280), (1964, 39260), (2416, 31915), (2455, 31408), (3020, 25532), (3926, 19640), (3928, 19630), (4910, 15704), (6040, 12766), (6383, 12080), (7852, 9820), (7856, 9815)]