1620160905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4339}}^1$

素因数の和:4462

約数の個数: 64

約数和(自身を含む): 2959810560

約数和(自身を除く): 1339649655

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 73, 93, 155, 165, 219, 341, 365, 465, 803, 1023, 1095, 1705, 2263, 2409, 4015, 4339, 5115, 6789, 11315, 12045, 13017, 21695, 24893, 33945, 47729, 65085, 74679, 124465, 134509, 143187, 238645, 316747, 373395, 403527, 672545, 715935, 950241, 1479599, 1583735, 2017635, 3484217, 4438797, 4751205, 7397995, 9819157, 10452651, 17421085, 22193985, 29457471, 49095785, 52263255, 108010727, 147287355, 324032181, 540053635, 1620160905]

約数ペア:

[(1, 1620160905), (3, 540053635), (5, 324032181), (11, 147287355), (15, 108010727), (31, 52263255), (33, 49095785), (55, 29457471), (73, 22193985), (93, 17421085), (155, 10452651), (165, 9819157), (219, 7397995), (341, 4751205), (365, 4438797), (465, 3484217), (803, 2017635), (1023, 1583735), (1095, 1479599), (1705, 950241), (2263, 715935), (2409, 672545), (4015, 403527), (4339, 373395), (5115, 316747), (6789, 238645), (11315, 143187), (12045, 134509), (13017, 124465), (21695, 74679), (24893, 65085), (33945, 47729)]