80880705

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 148721664

約数和(自身を除く): 67840959

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 93, 111, 155, 185, 279, 333, 465, 555, 1147, 1395, 1567, 1665, 3441, 4701, 5735, 7835, 10323, 14103, 17205, 23505, 48577, 51615, 57979, 70515, 145731, 173937, 242885, 289895, 437193, 521811, 728655, 869685, 1797349, 2185965, 2609055, 5392047, 8986745, 16176141, 26960235, 80880705]

約数ペア:

[(1, 80880705), (3, 26960235), (5, 16176141), (9, 8986745), (15, 5392047), (31, 2609055), (37, 2185965), (45, 1797349), (93, 869685), (111, 728655), (155, 521811), (185, 437193), (279, 289895), (333, 242885), (465, 173937), (555, 145731), (1147, 70515), (1395, 57979), (1567, 51615), (1665, 48577), (3441, 23505), (4701, 17205), (5735, 14103), (7835, 10323)]