2419260

素因数分解:

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

素因数の和:734

約数の個数: 48

約数和(自身を含む): 6895392

約数和(自身を除く): 4476132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 661, 732, 915, 1220, 1322, 1830, 1983, 2644, 3305, 3660, 3966, 6610, 7932, 9915, 13220, 19830, 39660, 40321, 80642, 120963, 161284, 201605, 241926, 403210, 483852, 604815, 806420, 1209630, 2419260]

約数ペア:

[(1, 2419260), (2, 1209630), (3, 806420), (4, 604815), (5, 483852), (6, 403210), (10, 241926), (12, 201605), (15, 161284), (20, 120963), (30, 80642), (60, 40321), (61, 39660), (122, 19830), (183, 13220), (244, 9915), (305, 7932), (366, 6610), (610, 3966), (661, 3660), (732, 3305), (915, 2644), (1220, 1983), (1322, 1830)]