856571640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 2614248000

約数和(自身を除く): 1757676360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 181, 226, 339, 349, 362, 452, 543, 565, 678, 698, 724, 904, 905, 1047, 1086, 1130, 1356, 1396, 1448, 1695, 1745, 1810, 2094, 2172, 2260, 2712, 2715, 2792, 3390, 3490, 3620, 4188, 4344, 4520, 5235, 5430, 6780, 6980, 7240, 8376, 10470, 10860, 13560, 13960, 20453, 20940, 21720, 39437, 40906, 41880, 61359, 63169, 78874, 81812, 102265, 118311, 122718, 126338, 157748, 163624, 189507, 197185, 204530, 236622, 245436, 252676, 306795, 315496, 315845, 379014, 394370, 409060, 473244, 490872, 505352, 591555, 613590, 631690, 758028, 788740, 818120, 946488, 947535, 1183110, 1227180, 1263380, 1516056, 1577480, 1895070, 2366220, 2454360, 2526760, 3790140, 4732440, 7138097, 7580280, 14276194, 21414291, 28552388, 35690485, 42828582, 57104776, 71380970, 85657164, 107071455, 142761940, 171314328, 214142910, 285523880, 428285820, 856571640]

約数ペア:

[(1, 856571640), (2, 428285820), (3, 285523880), (4, 214142910), (5, 171314328), (6, 142761940), (8, 107071455), (10, 85657164), (12, 71380970), (15, 57104776), (20, 42828582), (24, 35690485), (30, 28552388), (40, 21414291), (60, 14276194), (113, 7580280), (120, 7138097), (181, 4732440), (226, 3790140), (339, 2526760), (349, 2454360), (362, 2366220), (452, 1895070), (543, 1577480), (565, 1516056), (678, 1263380), (698, 1227180), (724, 1183110), (904, 947535), (905, 946488), (1047, 818120), (1086, 788740), (1130, 758028), (1356, 631690), (1396, 613590), (1448, 591555), (1695, 505352), (1745, 490872), (1810, 473244), (2094, 409060), (2172, 394370), (2260, 379014), (2712, 315845), (2715, 315496), (2792, 306795), (3390, 252676), (3490, 245436), (3620, 236622), (4188, 204530), (4344, 197185), (4520, 189507), (5235, 163624), (5430, 157748), (6780, 126338), (6980, 122718), (7240, 118311), (8376, 102265), (10470, 81812), (10860, 78874), (13560, 63169), (13960, 61359), (20453, 41880), (20940, 40906), (21720, 39437)]