31350540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40193}}^1$

素因数の和:40218

約数の個数: 48

約数和(自身を含む): 94536288

約数和(自身を除く): 63185748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40193, 80386, 120579, 160772, 200965, 241158, 401930, 482316, 522509, 602895, 803860, 1045018, 1205790, 1567527, 2090036, 2411580, 2612545, 3135054, 5225090, 6270108, 7837635, 10450180, 15675270, 31350540]

約数ペア:

[(1, 31350540), (2, 15675270), (3, 10450180), (4, 7837635), (5, 6270108), (6, 5225090), (10, 3135054), (12, 2612545), (13, 2411580), (15, 2090036), (20, 1567527), (26, 1205790), (30, 1045018), (39, 803860), (52, 602895), (60, 522509), (65, 482316), (78, 401930), (130, 241158), (156, 200965), (195, 160772), (260, 120579), (390, 80386), (780, 40193)]