215172240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28921}}^1$

素因数の和:28968

約数の個数: 80

約数和(自身を含む): 688574976

約数和(自身を除く): 473402736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28921, 57842, 86763, 115684, 144605, 173526, 231368, 289210, 347052, 433815, 462736, 578420, 694104, 867630, 896551, 1156840, 1388208, 1735260, 1793102, 2313680, 2689653, 3470520, 3586204, 4482755, 5379306, 6941040, 7172408, 8965510, 10758612, 13448265, 14344816, 17931020, 21517224, 26896530, 35862040, 43034448, 53793060, 71724080, 107586120, 215172240]

約数ペア:

[(1, 215172240), (2, 107586120), (3, 71724080), (4, 53793060), (5, 43034448), (6, 35862040), (8, 26896530), (10, 21517224), (12, 17931020), (15, 14344816), (16, 13448265), (20, 10758612), (24, 8965510), (30, 7172408), (31, 6941040), (40, 5379306), (48, 4482755), (60, 3586204), (62, 3470520), (80, 2689653), (93, 2313680), (120, 1793102), (124, 1735260), (155, 1388208), (186, 1156840), (240, 896551), (248, 867630), (310, 694104), (372, 578420), (465, 462736), (496, 433815), (620, 347052), (744, 289210), (930, 231368), (1240, 173526), (1488, 144605), (1860, 115684), (2480, 86763), (3720, 57842), (7440, 28921)]