172215960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205019}}^1$

素因数の和:205040

約数の個数: 64

約数和(自身を含む): 590457600

約数和(自身を除く): 418241640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 205019, 410038, 615057, 820076, 1025095, 1230114, 1435133, 1640152, 2050190, 2460228, 2870266, 3075285, 4100380, 4305399, 4920456, 5740532, 6150570, 7175665, 8200760, 8610798, 11481064, 12301140, 14351330, 17221596, 21526995, 24602280, 28702660, 34443192, 43053990, 57405320, 86107980, 172215960]

約数ペア:

[(1, 172215960), (2, 86107980), (3, 57405320), (4, 43053990), (5, 34443192), (6, 28702660), (7, 24602280), (8, 21526995), (10, 17221596), (12, 14351330), (14, 12301140), (15, 11481064), (20, 8610798), (21, 8200760), (24, 7175665), (28, 6150570), (30, 5740532), (35, 4920456), (40, 4305399), (42, 4100380), (56, 3075285), (60, 2870266), (70, 2460228), (84, 2050190), (105, 1640152), (120, 1435133), (140, 1230114), (168, 1025095), (210, 820076), (280, 615057), (420, 410038), (840, 205019)]