157777020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21379}}^1$

素因数の和:21435

約数の個数: 72

約数和(自身を含む): 490286160

約数和(自身を除く): 332509140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 21379, 42758, 64137, 85516, 106895, 128274, 192411, 213790, 256548, 320685, 384822, 427580, 641370, 769644, 876539, 962055, 1282740, 1753078, 1924110, 2629617, 3506156, 3848220, 4382695, 5259234, 7888851, 8765390, 10518468, 13148085, 15777702, 17530780, 26296170, 31555404, 39444255, 52592340, 78888510, 157777020]

約数ペア:

[(1, 157777020), (2, 78888510), (3, 52592340), (4, 39444255), (5, 31555404), (6, 26296170), (9, 17530780), (10, 15777702), (12, 13148085), (15, 10518468), (18, 8765390), (20, 7888851), (30, 5259234), (36, 4382695), (41, 3848220), (45, 3506156), (60, 2629617), (82, 1924110), (90, 1753078), (123, 1282740), (164, 962055), (180, 876539), (205, 769644), (246, 641370), (369, 427580), (410, 384822), (492, 320685), (615, 256548), (738, 213790), (820, 192411), (1230, 128274), (1476, 106895), (1845, 85516), (2460, 64137), (3690, 42758), (7380, 21379)]