15205140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 72

約数和(自身を含む): 48845160

約数和(自身を除く): 33640020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 4969, 9938, 14907, 19876, 24845, 29814, 44721, 49690, 59628, 74535, 84473, 89442, 99380, 149070, 168946, 178884, 223605, 253419, 298140, 337892, 422365, 447210, 506838, 760257, 844730, 894420, 1013676, 1267095, 1520514, 1689460, 2534190, 3041028, 3801285, 5068380, 7602570, 15205140]

約数ペア:

[(1, 15205140), (2, 7602570), (3, 5068380), (4, 3801285), (5, 3041028), (6, 2534190), (9, 1689460), (10, 1520514), (12, 1267095), (15, 1013676), (17, 894420), (18, 844730), (20, 760257), (30, 506838), (34, 447210), (36, 422365), (45, 337892), (51, 298140), (60, 253419), (68, 223605), (85, 178884), (90, 168946), (102, 149070), (153, 99380), (170, 89442), (180, 84473), (204, 74535), (255, 59628), (306, 49690), (340, 44721), (510, 29814), (612, 24845), (765, 19876), (1020, 14907), (1530, 9938), (3060, 4969)]