2818140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3613}}^1$

素因数の和:3638

約数の個数: 48

約数和(自身を含む): 8500128

約数和(自身を除く): 5681988

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, 3613, 7226, 10839, 14452, 18065, 21678, 36130, 43356, 46969, 54195, 72260, 93938, 108390, 140907, 187876, 216780, 234845, 281814, 469690, 563628, 704535, 939380, 1409070, 2818140]

約数ペア:

[(1, 2818140), (2, 1409070), (3, 939380), (4, 704535), (5, 563628), (6, 469690), (10, 281814), (12, 234845), (13, 216780), (15, 187876), (20, 140907), (26, 108390), (30, 93938), (39, 72260), (52, 54195), (60, 46969), (65, 43356), (78, 36130), (130, 21678), (156, 18065), (195, 14452), (260, 10839), (390, 7226), (780, 3613)]