78395940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62219}}^1$

素因数の和:62241

約数の個数: 72

約数和(自身を含む): 271776960

約数和(自身を除く): 193381020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62219, 124438, 186657, 248876, 311095, 373314, 435533, 559971, 622190, 746628, 871066, 933285, 1119942, 1244380, 1306599, 1742132, 1866570, 2177665, 2239884, 2613198, 2799855, 3733140, 3919797, 4355330, 5226396, 5599710, 6532995, 7839594, 8710660, 11199420, 13065990, 15679188, 19598985, 26131980, 39197970, 78395940]

約数ペア:

[(1, 78395940), (2, 39197970), (3, 26131980), (4, 19598985), (5, 15679188), (6, 13065990), (7, 11199420), (9, 8710660), (10, 7839594), (12, 6532995), (14, 5599710), (15, 5226396), (18, 4355330), (20, 3919797), (21, 3733140), (28, 2799855), (30, 2613198), (35, 2239884), (36, 2177665), (42, 1866570), (45, 1742132), (60, 1306599), (63, 1244380), (70, 1119942), (84, 933285), (90, 871066), (105, 746628), (126, 622190), (140, 559971), (180, 435533), (210, 373314), (252, 311095), (315, 248876), (420, 186657), (630, 124438), (1260, 62219)]