345660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{823}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 1107456

約数和(自身を除く): 761796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 823, 1646, 2469, 3292, 4115, 4938, 5761, 8230, 9876, 11522, 12345, 16460, 17283, 23044, 24690, 28805, 34566, 49380, 57610, 69132, 86415, 115220, 172830, 345660]

約数ペア:

[(1, 345660), (2, 172830), (3, 115220), (4, 86415), (5, 69132), (6, 57610), (7, 49380), (10, 34566), (12, 28805), (14, 24690), (15, 23044), (20, 17283), (21, 16460), (28, 12345), (30, 11522), (35, 9876), (42, 8230), (60, 5761), (70, 4938), (84, 4115), (105, 3292), (140, 2469), (210, 1646), (420, 823)]