831075280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1042

約数の個数: 160

約数和(自身を含む): 2328422400

約数和(自身を除く): 1497347120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 343, 392, 434, 490, 496, 560, 620, 686, 784, 868, 977, 980, 1085, 1240, 1372, 1519, 1715, 1736, 1954, 1960, 2170, 2480, 2744, 3038, 3430, 3472, 3908, 3920, 4340, 4885, 5488, 6076, 6839, 6860, 7595, 7816, 8680, 9770, 10633, 12152, 13678, 13720, 15190, 15632, 17360, 19540, 21266, 24304, 27356, 27440, 30287, 30380, 34195, 39080, 42532, 47873, 53165, 54712, 60574, 60760, 68390, 78160, 85064, 95746, 106330, 109424, 121148, 121520, 136780, 151435, 170128, 191492, 212009, 212660, 239365, 242296, 273560, 302870, 335111, 382984, 424018, 425320, 478730, 484592, 547120, 605740, 670222, 765968, 848036, 850640, 957460, 1060045, 1211480, 1340444, 1484063, 1675555, 1696072, 1914920, 2120090, 2422960, 2680888, 2968126, 3351110, 3392144, 3829840, 4240180, 5361776, 5936252, 6702220, 7420315, 8480360, 10388441, 11872504, 13404440, 14840630, 16960720, 20776882, 23745008, 26808880, 29681260, 41553764, 51942205, 59362520, 83107528, 103884410, 118725040, 166215056, 207768820, 415537640, 831075280]

約数ペア:

[(1, 831075280), (2, 415537640), (4, 207768820), (5, 166215056), (7, 118725040), (8, 103884410), (10, 83107528), (14, 59362520), (16, 51942205), (20, 41553764), (28, 29681260), (31, 26808880), (35, 23745008), (40, 20776882), (49, 16960720), (56, 14840630), (62, 13404440), (70, 11872504), (80, 10388441), (98, 8480360), (112, 7420315), (124, 6702220), (140, 5936252), (155, 5361776), (196, 4240180), (217, 3829840), (245, 3392144), (248, 3351110), (280, 2968126), (310, 2680888), (343, 2422960), (392, 2120090), (434, 1914920), (490, 1696072), (496, 1675555), (560, 1484063), (620, 1340444), (686, 1211480), (784, 1060045), (868, 957460), (977, 850640), (980, 848036), (1085, 765968), (1240, 670222), (1372, 605740), (1519, 547120), (1715, 484592), (1736, 478730), (1954, 425320), (1960, 424018), (2170, 382984), (2480, 335111), (2744, 302870), (3038, 273560), (3430, 242296), (3472, 239365), (3908, 212660), (3920, 212009), (4340, 191492), (4885, 170128), (5488, 151435), (6076, 136780), (6839, 121520), (6860, 121148), (7595, 109424), (7816, 106330), (8680, 95746), (9770, 85064), (10633, 78160), (12152, 68390), (13678, 60760), (13720, 60574), (15190, 54712), (15632, 53165), (17360, 47873), (19540, 42532), (21266, 39080), (24304, 34195), (27356, 30380), (27440, 30287)]