280737240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10781}}^1$

素因数の和:10833

約数の個数: 128

約数和(自身を含む): 993669120

約数和(自身を除く): 712931880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 10781, 13020, 21562, 26040, 32343, 43124, 53905, 64686, 75467, 86248, 107810, 129372, 150934, 161715, 215620, 226401, 258744, 301868, 323430, 334211, 377335, 431240, 452802, 603736, 646860, 668422, 754670, 905604, 1002633, 1132005, 1293720, 1336844, 1509340, 1671055, 1811208, 2005266, 2264010, 2339477, 2673688, 3018680, 3342110, 4010532, 4528020, 4678954, 5013165, 6684220, 7018431, 8021064, 9056040, 9357908, 10026330, 11697385, 13368440, 14036862, 18715816, 20052660, 23394770, 28073724, 35092155, 40105320, 46789540, 56147448, 70184310, 93579080, 140368620, 280737240]

約数ペア:

[(1, 280737240), (2, 140368620), (3, 93579080), (4, 70184310), (5, 56147448), (6, 46789540), (7, 40105320), (8, 35092155), (10, 28073724), (12, 23394770), (14, 20052660), (15, 18715816), (20, 14036862), (21, 13368440), (24, 11697385), (28, 10026330), (30, 9357908), (31, 9056040), (35, 8021064), (40, 7018431), (42, 6684220), (56, 5013165), (60, 4678954), (62, 4528020), (70, 4010532), (84, 3342110), (93, 3018680), (105, 2673688), (120, 2339477), (124, 2264010), (140, 2005266), (155, 1811208), (168, 1671055), (186, 1509340), (210, 1336844), (217, 1293720), (248, 1132005), (280, 1002633), (310, 905604), (372, 754670), (420, 668422), (434, 646860), (465, 603736), (620, 452802), (651, 431240), (744, 377335), (840, 334211), (868, 323430), (930, 301868), (1085, 258744), (1240, 226401), (1302, 215620), (1736, 161715), (1860, 150934), (2170, 129372), (2604, 107810), (3255, 86248), (3720, 75467), (4340, 64686), (5208, 53905), (6510, 43124), (8680, 32343), (10781, 26040), (13020, 21562)]