2785260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 7936992

約数和(自身を除く): 5151732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 761, 915, 1220, 1522, 1830, 2283, 3044, 3660, 3805, 4566, 7610, 9132, 11415, 15220, 22830, 45660, 46421, 92842, 139263, 185684, 232105, 278526, 464210, 557052, 696315, 928420, 1392630, 2785260]

約数ペア:

[(1, 2785260), (2, 1392630), (3, 928420), (4, 696315), (5, 557052), (6, 464210), (10, 278526), (12, 232105), (15, 185684), (20, 139263), (30, 92842), (60, 46421), (61, 45660), (122, 22830), (183, 15220), (244, 11415), (305, 9132), (366, 7610), (610, 4566), (732, 3805), (761, 3660), (915, 3044), (1220, 2283), (1522, 1830)]