1222996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{39863}}^1$

素因数の和:39946

約数の個数: 64

約数和(自身を含む): 3013718400

約数和(自身を除く): 1790721560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 2360, 3068, 3835, 6136, 7670, 15340, 30680, 39863, 79726, 159452, 199315, 318904, 398630, 518219, 797260, 1036438, 1594520, 2072876, 2351917, 2591095, 4145752, 4703834, 5182190, 9407668, 10364380, 11759585, 18815336, 20728760, 23519170, 30574921, 47038340, 61149842, 94076680, 122299684, 152874605, 244599368, 305749210, 611498420, 1222996840]

約数ペア:

[(1, 1222996840), (2, 611498420), (4, 305749210), (5, 244599368), (8, 152874605), (10, 122299684), (13, 94076680), (20, 61149842), (26, 47038340), (40, 30574921), (52, 23519170), (59, 20728760), (65, 18815336), (104, 11759585), (118, 10364380), (130, 9407668), (236, 5182190), (260, 4703834), (295, 4145752), (472, 2591095), (520, 2351917), (590, 2072876), (767, 1594520), (1180, 1036438), (1534, 797260), (2360, 518219), (3068, 398630), (3835, 318904), (6136, 199315), (7670, 159452), (15340, 79726), (30680, 39863)]