643582680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2721

約数の個数: 128

約数和(自身を含む): 2092849920

約数和(自身を除く): 1449267240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 978, 1304, 1560, 1630, 1956, 2119, 2445, 2531, 3260, 3912, 4238, 4890, 5062, 6357, 6520, 7593, 8476, 9780, 10124, 10595, 12655, 12714, 15186, 16952, 19560, 20248, 21190, 25310, 25428, 30372, 31785, 32903, 37965, 42380, 50620, 50856, 60744, 63570, 65806, 75930, 84760, 98709, 101240, 127140, 131612, 151860, 164515, 197418, 254280, 263224, 303720, 329030, 394836, 412553, 493545, 658060, 789672, 825106, 987090, 1237659, 1316120, 1650212, 1974180, 2062765, 2475318, 3300424, 3948360, 4125530, 4950636, 5363189, 6188295, 8251060, 9901272, 10726378, 12376590, 16089567, 16502120, 21452756, 24753180, 26815945, 32179134, 42905512, 49506360, 53631890, 64358268, 80447835, 107263780, 128716536, 160895670, 214527560, 321791340, 643582680]

約数ペア:

[(1, 643582680), (2, 321791340), (3, 214527560), (4, 160895670), (5, 128716536), (6, 107263780), (8, 80447835), (10, 64358268), (12, 53631890), (13, 49506360), (15, 42905512), (20, 32179134), (24, 26815945), (26, 24753180), (30, 21452756), (39, 16502120), (40, 16089567), (52, 12376590), (60, 10726378), (65, 9901272), (78, 8251060), (104, 6188295), (120, 5363189), (130, 4950636), (156, 4125530), (163, 3948360), (195, 3300424), (260, 2475318), (312, 2062765), (326, 1974180), (390, 1650212), (489, 1316120), (520, 1237659), (652, 987090), (780, 825106), (815, 789672), (978, 658060), (1304, 493545), (1560, 412553), (1630, 394836), (1956, 329030), (2119, 303720), (2445, 263224), (2531, 254280), (3260, 197418), (3912, 164515), (4238, 151860), (4890, 131612), (5062, 127140), (6357, 101240), (6520, 98709), (7593, 84760), (8476, 75930), (9780, 65806), (10124, 63570), (10595, 60744), (12655, 50856), (12714, 50620), (15186, 42380), (16952, 37965), (19560, 32903), (20248, 31785), (21190, 30372), (25310, 25428)]