66921560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 93955240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 1861, 3596, 3722, 4495, 7192, 7444, 8990, 9305, 14888, 17980, 18610, 35960, 37220, 53969, 57691, 74440, 107938, 115382, 215876, 230764, 269845, 288455, 431752, 461528, 539690, 576910, 1079380, 1153820, 1673039, 2158760, 2307640, 3346078, 6692156, 8365195, 13384312, 16730390, 33460780, 66921560]

約数ペア:

[(1, 66921560), (2, 33460780), (4, 16730390), (5, 13384312), (8, 8365195), (10, 6692156), (20, 3346078), (29, 2307640), (31, 2158760), (40, 1673039), (58, 1153820), (62, 1079380), (116, 576910), (124, 539690), (145, 461528), (155, 431752), (232, 288455), (248, 269845), (290, 230764), (310, 215876), (580, 115382), (620, 107938), (899, 74440), (1160, 57691), (1240, 53969), (1798, 37220), (1861, 35960), (3596, 18610), (3722, 17980), (4495, 14888), (7192, 9305), (7444, 8990)]