155534440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:3002

約数の個数: 64

約数和(自身を含む): 369768960

約数和(自身を除く): 214234520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 2917, 5332, 5834, 6665, 10664, 11668, 13330, 14585, 23336, 26660, 29170, 53320, 58340, 90427, 116680, 125431, 180854, 250862, 361708, 452135, 501724, 627155, 723416, 904270, 1003448, 1254310, 1808540, 2508620, 3617080, 3888361, 5017240, 7776722, 15553444, 19441805, 31106888, 38883610, 77767220, 155534440]

約数ペア:

[(1, 155534440), (2, 77767220), (4, 38883610), (5, 31106888), (8, 19441805), (10, 15553444), (20, 7776722), (31, 5017240), (40, 3888361), (43, 3617080), (62, 2508620), (86, 1808540), (124, 1254310), (155, 1003448), (172, 904270), (215, 723416), (248, 627155), (310, 501724), (344, 452135), (430, 361708), (620, 250862), (860, 180854), (1240, 125431), (1333, 116680), (1720, 90427), (2666, 58340), (2917, 53320), (5332, 29170), (5834, 26660), (6665, 23336), (10664, 14585), (11668, 13330)]