15125220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7639}}^1$

素因数の和:7665

約数の個数: 72

約数和(自身を含む): 50057280

約数和(自身を除く): 34932060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 7639, 15278, 22917, 30556, 38195, 45834, 68751, 76390, 84029, 91668, 114585, 137502, 152780, 168058, 229170, 252087, 275004, 336116, 343755, 420145, 458340, 504174, 687510, 756261, 840290, 1008348, 1260435, 1375020, 1512522, 1680580, 2520870, 3025044, 3781305, 5041740, 7562610, 15125220]

約数ペア:

[(1, 15125220), (2, 7562610), (3, 5041740), (4, 3781305), (5, 3025044), (6, 2520870), (9, 1680580), (10, 1512522), (11, 1375020), (12, 1260435), (15, 1008348), (18, 840290), (20, 756261), (22, 687510), (30, 504174), (33, 458340), (36, 420145), (44, 343755), (45, 336116), (55, 275004), (60, 252087), (66, 229170), (90, 168058), (99, 152780), (110, 137502), (132, 114585), (165, 91668), (180, 84029), (198, 76390), (220, 68751), (330, 45834), (396, 38195), (495, 30556), (660, 22917), (990, 15278), (1980, 7639)]