281301440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4106

約数の個数: 112

約数和(自身を含む): 790431744

約数和(自身を除く): 509130304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4051, 4340, 4960, 6944, 8102, 8680, 9920, 13888, 16204, 17360, 20255, 28357, 32408, 34720, 40510, 56714, 64816, 69440, 81020, 113428, 125581, 129632, 141785, 162040, 226856, 251162, 259264, 283570, 324080, 453712, 502324, 567140, 627905, 648160, 879067, 907424, 1004648, 1134280, 1255810, 1296320, 1758134, 1814848, 2009296, 2268560, 2511620, 3516268, 4018592, 4395335, 4537120, 5023240, 7032536, 8037184, 8790670, 9074240, 10046480, 14065072, 17581340, 20092960, 28130144, 35162680, 40185920, 56260288, 70325360, 140650720, 281301440]

約数ペア:

[(1, 281301440), (2, 140650720), (4, 70325360), (5, 56260288), (7, 40185920), (8, 35162680), (10, 28130144), (14, 20092960), (16, 17581340), (20, 14065072), (28, 10046480), (31, 9074240), (32, 8790670), (35, 8037184), (40, 7032536), (56, 5023240), (62, 4537120), (64, 4395335), (70, 4018592), (80, 3516268), (112, 2511620), (124, 2268560), (140, 2009296), (155, 1814848), (160, 1758134), (217, 1296320), (224, 1255810), (248, 1134280), (280, 1004648), (310, 907424), (320, 879067), (434, 648160), (448, 627905), (496, 567140), (560, 502324), (620, 453712), (868, 324080), (992, 283570), (1085, 259264), (1120, 251162), (1240, 226856), (1736, 162040), (1984, 141785), (2170, 129632), (2240, 125581), (2480, 113428), (3472, 81020), (4051, 69440), (4340, 64816), (4960, 56714), (6944, 40510), (8102, 34720), (8680, 32408), (9920, 28357), (13888, 20255), (16204, 17360)]