91163560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 217566720

約数和(自身を除く): 126403160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 1987, 2294, 3974, 4588, 5735, 7948, 9176, 9935, 11470, 15896, 19870, 22940, 39740, 45880, 61597, 73519, 79480, 123194, 147038, 246388, 294076, 307985, 367595, 492776, 588152, 615970, 735190, 1231940, 1470380, 2279089, 2463880, 2940760, 4558178, 9116356, 11395445, 18232712, 22790890, 45581780, 91163560]

約数ペア:

[(1, 91163560), (2, 45581780), (4, 22790890), (5, 18232712), (8, 11395445), (10, 9116356), (20, 4558178), (31, 2940760), (37, 2463880), (40, 2279089), (62, 1470380), (74, 1231940), (124, 735190), (148, 615970), (155, 588152), (185, 492776), (248, 367595), (296, 307985), (310, 294076), (370, 246388), (620, 147038), (740, 123194), (1147, 79480), (1240, 73519), (1480, 61597), (1987, 45880), (2294, 39740), (3974, 22940), (4588, 19870), (5735, 15896), (7948, 11470), (9176, 9935)]