621206460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{493021}}^1$

素因数の和:493043

約数の個数: 72

約数和(自身を含む): 2153520096

約数和(自身を除く): 1532313636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 493021, 986042, 1479063, 1972084, 2465105, 2958126, 3451147, 4437189, 4930210, 5916252, 6902294, 7395315, 8874378, 9860420, 10353441, 13804588, 14790630, 17255735, 17748756, 20706882, 22185945, 29581260, 31060323, 34511470, 41413764, 44371890, 51767205, 62120646, 69022940, 88743780, 103534410, 124241292, 155301615, 207068820, 310603230, 621206460]

約数ペア:

[(1, 621206460), (2, 310603230), (3, 207068820), (4, 155301615), (5, 124241292), (6, 103534410), (7, 88743780), (9, 69022940), (10, 62120646), (12, 51767205), (14, 44371890), (15, 41413764), (18, 34511470), (20, 31060323), (21, 29581260), (28, 22185945), (30, 20706882), (35, 17748756), (36, 17255735), (42, 14790630), (45, 13804588), (60, 10353441), (63, 9860420), (70, 8874378), (84, 7395315), (90, 6902294), (105, 5916252), (126, 4930210), (140, 4437189), (180, 3451147), (210, 2958126), (252, 2465105), (315, 1972084), (420, 1479063), (630, 986042), (1260, 493021)]