120778480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 60

約数和(自身を含む): 290345256

約数和(自身を除く): 169566776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1571, 1922, 2480, 3142, 3844, 4805, 6284, 7688, 7855, 9610, 12568, 15376, 15710, 19220, 25136, 31420, 38440, 48701, 62840, 76880, 97402, 125680, 194804, 243505, 389608, 487010, 779216, 974020, 1509731, 1948040, 3019462, 3896080, 6038924, 7548655, 12077848, 15097310, 24155696, 30194620, 60389240, 120778480]

約数ペア:

[(1, 120778480), (2, 60389240), (4, 30194620), (5, 24155696), (8, 15097310), (10, 12077848), (16, 7548655), (20, 6038924), (31, 3896080), (40, 3019462), (62, 1948040), (80, 1509731), (124, 974020), (155, 779216), (248, 487010), (310, 389608), (496, 243505), (620, 194804), (961, 125680), (1240, 97402), (1571, 76880), (1922, 62840), (2480, 48701), (3142, 38440), (3844, 31420), (4805, 25136), (6284, 19220), (7688, 15710), (7855, 15376), (9610, 12568)]