515918120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{14347}}^1$

素因数の和:14418

約数の個数: 64

約数和(自身を含む): 1239667200

約数和(自身を除く): 723749080

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, 3596, 4495, 7192, 8990, 14347, 17980, 28694, 35960, 57388, 71735, 114776, 143470, 286940, 416063, 444757, 573880, 832126, 889514, 1664252, 1779028, 2080315, 2223785, 3328504, 3558056, 4160630, 4447570, 8321260, 8895140, 12897953, 16642520, 17790280, 25795906, 51591812, 64489765, 103183624, 128979530, 257959060, 515918120]

約数ペア:

[(1, 515918120), (2, 257959060), (4, 128979530), (5, 103183624), (8, 64489765), (10, 51591812), (20, 25795906), (29, 17790280), (31, 16642520), (40, 12897953), (58, 8895140), (62, 8321260), (116, 4447570), (124, 4160630), (145, 3558056), (155, 3328504), (232, 2223785), (248, 2080315), (290, 1779028), (310, 1664252), (580, 889514), (620, 832126), (899, 573880), (1160, 444757), (1240, 416063), (1798, 286940), (3596, 143470), (4495, 114776), (7192, 71735), (8990, 57388), (14347, 35960), (17980, 28694)]