2809012920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107873}}^1$

素因数の和:107925

約数の個数: 128

約数和(自身を含む): 9941667840

約数和(自身を除く): 7132654920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 107873, 215746, 323619, 431492, 539365, 647238, 755111, 862984, 1078730, 1294476, 1510222, 1618095, 2157460, 2265333, 2588952, 3020444, 3236190, 3344063, 3775555, 4314920, 4530666, 6040888, 6472380, 6688126, 7551110, 9061332, 10032189, 11326665, 12944760, 13376252, 15102220, 16720315, 18122664, 20064378, 22653330, 23408441, 26752504, 30204440, 33440630, 40128756, 45306660, 46816882, 50160945, 66881260, 70225323, 80257512, 90613320, 93633764, 100321890, 117042205, 133762520, 140450646, 187267528, 200643780, 234084410, 280901292, 351126615, 401287560, 468168820, 561802584, 702253230, 936337640, 1404506460, 2809012920]

約数ペア:

[(1, 2809012920), (2, 1404506460), (3, 936337640), (4, 702253230), (5, 561802584), (6, 468168820), (7, 401287560), (8, 351126615), (10, 280901292), (12, 234084410), (14, 200643780), (15, 187267528), (20, 140450646), (21, 133762520), (24, 117042205), (28, 100321890), (30, 93633764), (31, 90613320), (35, 80257512), (40, 70225323), (42, 66881260), (56, 50160945), (60, 46816882), (62, 45306660), (70, 40128756), (84, 33440630), (93, 30204440), (105, 26752504), (120, 23408441), (124, 22653330), (140, 20064378), (155, 18122664), (168, 16720315), (186, 15102220), (210, 13376252), (217, 12944760), (248, 11326665), (280, 10032189), (310, 9061332), (372, 7551110), (420, 6688126), (434, 6472380), (465, 6040888), (620, 4530666), (651, 4314920), (744, 3775555), (840, 3344063), (868, 3236190), (930, 3020444), (1085, 2588952), (1240, 2265333), (1302, 2157460), (1736, 1618095), (1860, 1510222), (2170, 1294476), (2604, 1078730), (3255, 862984), (3720, 755111), (4340, 647238), (5208, 539365), (6510, 431492), (8680, 323619), (13020, 215746), (26040, 107873)]