155564780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 396264960

約数和(自身を除く): 240700180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 233, 251, 266, 380, 466, 502, 532, 665, 932, 1004, 1165, 1255, 1330, 1631, 1757, 2330, 2510, 2660, 3262, 3514, 4427, 4660, 4769, 5020, 6524, 7028, 8155, 8785, 8854, 9538, 16310, 17570, 17708, 19076, 22135, 23845, 30989, 32620, 33383, 35140, 44270, 47690, 58483, 61978, 66766, 88540, 95380, 116966, 123956, 133532, 154945, 166915, 233932, 292415, 309890, 333830, 409381, 584830, 619780, 667660, 818762, 1111177, 1169660, 1637524, 2046905, 2222354, 4093810, 4444708, 5555885, 7778239, 8187620, 11111770, 15556478, 22223540, 31112956, 38891195, 77782390, 155564780]

約数ペア:

[(1, 155564780), (2, 77782390), (4, 38891195), (5, 31112956), (7, 22223540), (10, 15556478), (14, 11111770), (19, 8187620), (20, 7778239), (28, 5555885), (35, 4444708), (38, 4093810), (70, 2222354), (76, 2046905), (95, 1637524), (133, 1169660), (140, 1111177), (190, 818762), (233, 667660), (251, 619780), (266, 584830), (380, 409381), (466, 333830), (502, 309890), (532, 292415), (665, 233932), (932, 166915), (1004, 154945), (1165, 133532), (1255, 123956), (1330, 116966), (1631, 95380), (1757, 88540), (2330, 66766), (2510, 61978), (2660, 58483), (3262, 47690), (3514, 44270), (4427, 35140), (4660, 33383), (4769, 32620), (5020, 30989), (6524, 23845), (7028, 22135), (8155, 19076), (8785, 17708), (8854, 17570), (9538, 16310)]