78587640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 256510800

約数和(自身を除く): 177923160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 419, 521, 838, 1042, 1257, 1563, 1676, 2084, 2095, 2514, 2605, 3126, 3352, 3771, 4168, 4190, 4689, 5028, 5210, 6252, 6285, 7542, 7815, 8380, 9378, 10056, 10420, 12504, 12570, 15084, 15630, 16760, 18756, 18855, 20840, 23445, 25140, 30168, 31260, 37512, 37710, 46890, 50280, 62520, 75420, 93780, 150840, 187560, 218299, 436598, 654897, 873196, 1091495, 1309794, 1746392, 1964691, 2182990, 2619588, 3274485, 3929382, 4365980, 5239176, 6548970, 7858764, 8731960, 9823455, 13097940, 15717528, 19646910, 26195880, 39293820, 78587640]

約数ペア:

[(1, 78587640), (2, 39293820), (3, 26195880), (4, 19646910), (5, 15717528), (6, 13097940), (8, 9823455), (9, 8731960), (10, 7858764), (12, 6548970), (15, 5239176), (18, 4365980), (20, 3929382), (24, 3274485), (30, 2619588), (36, 2182990), (40, 1964691), (45, 1746392), (60, 1309794), (72, 1091495), (90, 873196), (120, 654897), (180, 436598), (360, 218299), (419, 187560), (521, 150840), (838, 93780), (1042, 75420), (1257, 62520), (1563, 50280), (1676, 46890), (2084, 37710), (2095, 37512), (2514, 31260), (2605, 30168), (3126, 25140), (3352, 23445), (3771, 20840), (4168, 18855), (4190, 18756), (4689, 16760), (5028, 15630), (5210, 15084), (6252, 12570), (6285, 12504), (7542, 10420), (7815, 10056), (8380, 9378)]