1615694720

素因数分解:

$2^7\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6359}}^1$

素因数の和:6775

約数の個数: 64

約数和(自身を含む): 3872858400

約数和(自身を除く): 2257163680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 397, 640, 794, 1588, 1985, 3176, 3970, 6352, 6359, 7940, 12704, 12718, 15880, 25408, 25436, 31760, 31795, 50816, 50872, 63520, 63590, 101744, 127040, 127180, 203488, 254080, 254360, 406976, 508720, 813952, 1017440, 2034880, 2524523, 4069760, 5049046, 10098092, 12622615, 20196184, 25245230, 40392368, 50490460, 80784736, 100980920, 161569472, 201961840, 323138944, 403923680, 807847360, 1615694720]

約数ペア:

[(1, 1615694720), (2, 807847360), (4, 403923680), (5, 323138944), (8, 201961840), (10, 161569472), (16, 100980920), (20, 80784736), (32, 50490460), (40, 40392368), (64, 25245230), (80, 20196184), (128, 12622615), (160, 10098092), (320, 5049046), (397, 4069760), (640, 2524523), (794, 2034880), (1588, 1017440), (1985, 813952), (3176, 508720), (3970, 406976), (6352, 254360), (6359, 254080), (7940, 203488), (12704, 127180), (12718, 127040), (15880, 101744), (25408, 63590), (25436, 63520), (31760, 50872), (31795, 50816)]