7257780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 22410024

約数和(自身を除く): 15152244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 661, 732, 915, 1098, 1220, 1322, 1830, 1983, 2196, 2644, 2745, 3305, 3660, 3966, 5490, 5949, 6610, 7932, 9915, 10980, 11898, 13220, 19830, 23796, 29745, 39660, 40321, 59490, 80642, 118980, 120963, 161284, 201605, 241926, 362889, 403210, 483852, 604815, 725778, 806420, 1209630, 1451556, 1814445, 2419260, 3628890, 7257780]

約数ペア:

[(1, 7257780), (2, 3628890), (3, 2419260), (4, 1814445), (5, 1451556), (6, 1209630), (9, 806420), (10, 725778), (12, 604815), (15, 483852), (18, 403210), (20, 362889), (30, 241926), (36, 201605), (45, 161284), (60, 120963), (61, 118980), (90, 80642), (122, 59490), (180, 40321), (183, 39660), (244, 29745), (305, 23796), (366, 19830), (549, 13220), (610, 11898), (661, 10980), (732, 9915), (915, 7932), (1098, 6610), (1220, 5949), (1322, 5490), (1830, 3966), (1983, 3660), (2196, 3305), (2644, 2745)]