207455940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1163}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 630459648

約数和(自身を除く): 423003708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 991, 1163, 1982, 2326, 2973, 3489, 3964, 4652, 4955, 5815, 5946, 6978, 8919, 9910, 10467, 11630, 11892, 13956, 14865, 17445, 17838, 19820, 20934, 23260, 29730, 34890, 35676, 41868, 44595, 52335, 59460, 69780, 89190, 104670, 178380, 209340, 1152533, 2305066, 3457599, 4610132, 5762665, 6915198, 10372797, 11525330, 13830396, 17287995, 20745594, 23050660, 34575990, 41491188, 51863985, 69151980, 103727970, 207455940]

約数ペア:

[(1, 207455940), (2, 103727970), (3, 69151980), (4, 51863985), (5, 41491188), (6, 34575990), (9, 23050660), (10, 20745594), (12, 17287995), (15, 13830396), (18, 11525330), (20, 10372797), (30, 6915198), (36, 5762665), (45, 4610132), (60, 3457599), (90, 2305066), (180, 1152533), (991, 209340), (1163, 178380), (1982, 104670), (2326, 89190), (2973, 69780), (3489, 59460), (3964, 52335), (4652, 44595), (4955, 41868), (5815, 35676), (5946, 34890), (6978, 29730), (8919, 23260), (9910, 20934), (10467, 19820), (11630, 17838), (11892, 17445), (13956, 14865)]