7881440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 22063104

約数和(自身を除く): 14181664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 227, 248, 280, 310, 434, 454, 496, 560, 620, 868, 908, 992, 1085, 1120, 1135, 1240, 1589, 1736, 1816, 2170, 2270, 2480, 3178, 3472, 3632, 4340, 4540, 4960, 6356, 6944, 7037, 7264, 7945, 8680, 9080, 12712, 14074, 15890, 17360, 18160, 25424, 28148, 31780, 34720, 35185, 36320, 49259, 50848, 56296, 63560, 70370, 98518, 112592, 127120, 140740, 197036, 225184, 246295, 254240, 281480, 394072, 492590, 562960, 788144, 985180, 1125920, 1576288, 1970360, 3940720, 7881440]

約数ペア:

[(1, 7881440), (2, 3940720), (4, 1970360), (5, 1576288), (7, 1125920), (8, 985180), (10, 788144), (14, 562960), (16, 492590), (20, 394072), (28, 281480), (31, 254240), (32, 246295), (35, 225184), (40, 197036), (56, 140740), (62, 127120), (70, 112592), (80, 98518), (112, 70370), (124, 63560), (140, 56296), (155, 50848), (160, 49259), (217, 36320), (224, 35185), (227, 34720), (248, 31780), (280, 28148), (310, 25424), (434, 18160), (454, 17360), (496, 15890), (560, 14074), (620, 12712), (868, 9080), (908, 8680), (992, 7945), (1085, 7264), (1120, 7037), (1135, 6944), (1240, 6356), (1589, 4960), (1736, 4540), (1816, 4340), (2170, 3632), (2270, 3472), (2480, 3178)]