71605660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 180641664

約数和(自身を除く): 109036004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2357, 3038, 4340, 4714, 6076, 7595, 9428, 11785, 15190, 16499, 23570, 30380, 32998, 47140, 65996, 73067, 82495, 115493, 146134, 164990, 230986, 292268, 329980, 365335, 461972, 511469, 577465, 730670, 1022938, 1154930, 1461340, 2045876, 2309860, 2557345, 3580283, 5114690, 7160566, 10229380, 14321132, 17901415, 35802830, 71605660]

約数ペア:

[(1, 71605660), (2, 35802830), (4, 17901415), (5, 14321132), (7, 10229380), (10, 7160566), (14, 5114690), (20, 3580283), (28, 2557345), (31, 2309860), (35, 2045876), (49, 1461340), (62, 1154930), (70, 1022938), (98, 730670), (124, 577465), (140, 511469), (155, 461972), (196, 365335), (217, 329980), (245, 292268), (310, 230986), (434, 164990), (490, 146134), (620, 115493), (868, 82495), (980, 73067), (1085, 65996), (1519, 47140), (2170, 32998), (2357, 30380), (3038, 23570), (4340, 16499), (4714, 15190), (6076, 11785), (7595, 9428)]