72228760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1879}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 168015600

約数和(自身を除く): 95786840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1879, 1922, 3758, 3844, 4805, 7516, 7688, 9395, 9610, 15032, 18790, 19220, 37580, 38440, 58249, 75160, 116498, 232996, 291245, 465992, 582490, 1164980, 1805719, 2329960, 3611438, 7222876, 9028595, 14445752, 18057190, 36114380, 72228760]

約数ペア:

[(1, 72228760), (2, 36114380), (4, 18057190), (5, 14445752), (8, 9028595), (10, 7222876), (20, 3611438), (31, 2329960), (40, 1805719), (62, 1164980), (124, 582490), (155, 465992), (248, 291245), (310, 232996), (620, 116498), (961, 75160), (1240, 58249), (1879, 38440), (1922, 37580), (3758, 19220), (3844, 18790), (4805, 15032), (7516, 9610), (7688, 9395)]