157144980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19993}}^1$

素因数の和:20136

約数の個数: 48

約数和(自身を含む): 443386944

約数和(自身を除く): 286241964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 19993, 39986, 59979, 79972, 99965, 119958, 199930, 239916, 299895, 399860, 599790, 1199580, 2619083, 5238166, 7857249, 10476332, 13095415, 15714498, 26190830, 31428996, 39286245, 52381660, 78572490, 157144980]

約数ペア:

[(1, 157144980), (2, 78572490), (3, 52381660), (4, 39286245), (5, 31428996), (6, 26190830), (10, 15714498), (12, 13095415), (15, 10476332), (20, 7857249), (30, 5238166), (60, 2619083), (131, 1199580), (262, 599790), (393, 399860), (524, 299895), (655, 239916), (786, 199930), (1310, 119958), (1572, 99965), (1965, 79972), (2620, 59979), (3930, 39986), (7860, 19993)]