64763960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 155692800

約数和(自身を除く): 90928840

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, 1801, 3596, 3602, 4495, 7192, 7204, 8990, 9005, 14408, 17980, 18010, 35960, 36020, 52229, 55831, 72040, 104458, 111662, 208916, 223324, 261145, 279155, 417832, 446648, 522290, 558310, 1044580, 1116620, 1619099, 2089160, 2233240, 3238198, 6476396, 8095495, 12952792, 16190990, 32381980, 64763960]

約数ペア:

[(1, 64763960), (2, 32381980), (4, 16190990), (5, 12952792), (8, 8095495), (10, 6476396), (20, 3238198), (29, 2233240), (31, 2089160), (40, 1619099), (58, 1116620), (62, 1044580), (116, 558310), (124, 522290), (145, 446648), (155, 417832), (232, 279155), (248, 261145), (290, 223324), (310, 208916), (580, 111662), (620, 104458), (899, 72040), (1160, 55831), (1240, 52229), (1798, 36020), (1801, 35960), (3596, 18010), (3602, 17980), (4495, 14408), (7192, 9005), (7204, 8990)]