281983440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 911941632

約数和(自身を除く): 629958192

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, 151, 155, 186, 240, 248, 251, 302, 310, 372, 453, 465, 496, 502, 604, 620, 744, 753, 755, 906, 930, 1004, 1208, 1240, 1255, 1488, 1506, 1510, 1812, 1860, 2008, 2265, 2416, 2480, 2510, 3012, 3020, 3624, 3720, 3765, 4016, 4530, 4681, 5020, 6024, 6040, 7248, 7440, 7530, 7781, 9060, 9362, 10040, 12048, 12080, 14043, 15060, 15562, 18120, 18724, 20080, 23343, 23405, 28086, 30120, 31124, 36240, 37448, 37901, 38905, 46686, 46810, 56172, 60240, 62248, 70215, 74896, 75802, 77810, 93372, 93620, 112344, 113703, 116715, 124496, 140430, 151604, 155620, 186744, 187240, 189505, 224688, 227406, 233430, 280860, 303208, 311240, 373488, 374480, 379010, 454812, 466860, 561720, 568515, 606416, 622480, 758020, 909624, 933720, 1123440, 1137030, 1174931, 1516040, 1819248, 1867440, 2274060, 2349862, 3032080, 3524793, 4548120, 4699724, 5874655, 7049586, 9096240, 9399448, 11749310, 14099172, 17623965, 18798896, 23498620, 28198344, 35247930, 46997240, 56396688, 70495860, 93994480, 140991720, 281983440]

約数ペア:

[(1, 281983440), (2, 140991720), (3, 93994480), (4, 70495860), (5, 56396688), (6, 46997240), (8, 35247930), (10, 28198344), (12, 23498620), (15, 18798896), (16, 17623965), (20, 14099172), (24, 11749310), (30, 9399448), (31, 9096240), (40, 7049586), (48, 5874655), (60, 4699724), (62, 4548120), (80, 3524793), (93, 3032080), (120, 2349862), (124, 2274060), (151, 1867440), (155, 1819248), (186, 1516040), (240, 1174931), (248, 1137030), (251, 1123440), (302, 933720), (310, 909624), (372, 758020), (453, 622480), (465, 606416), (496, 568515), (502, 561720), (604, 466860), (620, 454812), (744, 379010), (753, 374480), (755, 373488), (906, 311240), (930, 303208), (1004, 280860), (1208, 233430), (1240, 227406), (1255, 224688), (1488, 189505), (1506, 187240), (1510, 186744), (1812, 155620), (1860, 151604), (2008, 140430), (2265, 124496), (2416, 116715), (2480, 113703), (2510, 112344), (3012, 93620), (3020, 93372), (3624, 77810), (3720, 75802), (3765, 74896), (4016, 70215), (4530, 62248), (4681, 60240), (5020, 56172), (6024, 46810), (6040, 46686), (7248, 38905), (7440, 37901), (7530, 37448), (7781, 36240), (9060, 31124), (9362, 30120), (10040, 28086), (12048, 23405), (12080, 23343), (14043, 20080), (15060, 18724), (15562, 18120)]