2805621840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{185557}}^1$

素因数の和:185586

約数の個数: 160

約数和(自身を含む): 11044412160

約数和(自身を除く): 8238790320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 185557, 371114, 556671, 742228, 927785, 1113342, 1298899, 1484456, 1670013, 1855570, 2226684, 2597798, 2783355, 2968912, 3340026, 3711140, 3896697, 4453368, 5010039, 5195596, 5566710, 6494495, 6680052, 7422280, 7793394, 8350065, 8906736, 10020078, 10391192, 11133420, 11690091, 12988990, 13360104, 14844560, 15586788, 16700130, 19483485, 20040156, 20782384, 22266840, 23380182, 25050195, 25977980, 26720208, 31173576, 33400260, 35070273, 38966970, 40080312, 44533680, 46760364, 50100390, 51955960, 58450455, 62347152, 66800520, 70140546, 77933940, 80160624, 93520728, 100200780, 103911920, 116900910, 133601040, 140281092, 155867880, 175351365, 187041456, 200401560, 233801820, 280562184, 311735760, 350702730, 400803120, 467603640, 561124368, 701405460, 935207280, 1402810920, 2805621840]

約数ペア:

[(1, 2805621840), (2, 1402810920), (3, 935207280), (4, 701405460), (5, 561124368), (6, 467603640), (7, 400803120), (8, 350702730), (9, 311735760), (10, 280562184), (12, 233801820), (14, 200401560), (15, 187041456), (16, 175351365), (18, 155867880), (20, 140281092), (21, 133601040), (24, 116900910), (27, 103911920), (28, 100200780), (30, 93520728), (35, 80160624), (36, 77933940), (40, 70140546), (42, 66800520), (45, 62347152), (48, 58450455), (54, 51955960), (56, 50100390), (60, 46760364), (63, 44533680), (70, 40080312), (72, 38966970), (80, 35070273), (84, 33400260), (90, 31173576), (105, 26720208), (108, 25977980), (112, 25050195), (120, 23380182), (126, 22266840), (135, 20782384), (140, 20040156), (144, 19483485), (168, 16700130), (180, 15586788), (189, 14844560), (210, 13360104), (216, 12988990), (240, 11690091), (252, 11133420), (270, 10391192), (280, 10020078), (315, 8906736), (336, 8350065), (360, 7793394), (378, 7422280), (420, 6680052), (432, 6494495), (504, 5566710), (540, 5195596), (560, 5010039), (630, 4453368), (720, 3896697), (756, 3711140), (840, 3340026), (945, 2968912), (1008, 2783355), (1080, 2597798), (1260, 2226684), (1512, 1855570), (1680, 1670013), (1890, 1484456), (2160, 1298899), (2520, 1113342), (3024, 927785), (3780, 742228), (5040, 556671), (7560, 371114), (15120, 185557)]