320251680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31771}}^1$

素因数の和:31799

約数の個数: 144

約数和(自身を含む): 1249020864

約数和(自身を除く): 928769184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 31771, 63542, 95313, 127084, 158855, 190626, 222397, 254168, 285939, 317710, 381252, 444794, 476565, 508336, 571878, 635420, 667191, 762504, 889588, 953130, 1016672, 1111985, 1143756, 1270840, 1334382, 1429695, 1525008, 1779176, 1906260, 2001573, 2223970, 2287512, 2541680, 2668764, 2859390, 3050016, 3335955, 3558352, 3812520, 4003146, 4447940, 4575024, 5083360, 5337528, 5718780, 6671910, 7116704, 7625040, 8006292, 8895880, 9150048, 10007865, 10675056, 11437560, 13343820, 15250080, 16012584, 17791760, 20015730, 21350112, 22875120, 26687640, 32025168, 35583520, 40031460, 45750240, 53375280, 64050336, 80062920, 106750560, 160125840, 320251680]

約数ペア:

[(1, 320251680), (2, 160125840), (3, 106750560), (4, 80062920), (5, 64050336), (6, 53375280), (7, 45750240), (8, 40031460), (9, 35583520), (10, 32025168), (12, 26687640), (14, 22875120), (15, 21350112), (16, 20015730), (18, 17791760), (20, 16012584), (21, 15250080), (24, 13343820), (28, 11437560), (30, 10675056), (32, 10007865), (35, 9150048), (36, 8895880), (40, 8006292), (42, 7625040), (45, 7116704), (48, 6671910), (56, 5718780), (60, 5337528), (63, 5083360), (70, 4575024), (72, 4447940), (80, 4003146), (84, 3812520), (90, 3558352), (96, 3335955), (105, 3050016), (112, 2859390), (120, 2668764), (126, 2541680), (140, 2287512), (144, 2223970), (160, 2001573), (168, 1906260), (180, 1779176), (210, 1525008), (224, 1429695), (240, 1334382), (252, 1270840), (280, 1143756), (288, 1111985), (315, 1016672), (336, 953130), (360, 889588), (420, 762504), (480, 667191), (504, 635420), (560, 571878), (630, 508336), (672, 476565), (720, 444794), (840, 381252), (1008, 317710), (1120, 285939), (1260, 254168), (1440, 222397), (1680, 190626), (2016, 158855), (2520, 127084), (3360, 95313), (5040, 63542), (10080, 31771)]