8421840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{557}}^1$

素因数の和:586

約数の個数: 160

約数和(自身を含む): 33212160

約数和(自身を除く): 24790320

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, 557, 560, 630, 720, 756, 840, 945, 1008, 1080, 1114, 1260, 1512, 1671, 1680, 1890, 2160, 2228, 2520, 2785, 3024, 3342, 3780, 3899, 4456, 5013, 5040, 5570, 6684, 7560, 7798, 8355, 8912, 10026, 11140, 11697, 13368, 15039, 15120, 15596, 16710, 19495, 20052, 22280, 23394, 25065, 26736, 30078, 31192, 33420, 35091, 38990, 40104, 44560, 46788, 50130, 58485, 60156, 62384, 66840, 70182, 75195, 77980, 80208, 93576, 100260, 105273, 116970, 120312, 133680, 140364, 150390, 155960, 175455, 187152, 200520, 210546, 233940, 240624, 280728, 300780, 311920, 350910, 401040, 421092, 467880, 526365, 561456, 601560, 701820, 842184, 935760, 1052730, 1203120, 1403640, 1684368, 2105460, 2807280, 4210920, 8421840]

約数ペア:

[(1, 8421840), (2, 4210920), (3, 2807280), (4, 2105460), (5, 1684368), (6, 1403640), (7, 1203120), (8, 1052730), (9, 935760), (10, 842184), (12, 701820), (14, 601560), (15, 561456), (16, 526365), (18, 467880), (20, 421092), (21, 401040), (24, 350910), (27, 311920), (28, 300780), (30, 280728), (35, 240624), (36, 233940), (40, 210546), (42, 200520), (45, 187152), (48, 175455), (54, 155960), (56, 150390), (60, 140364), (63, 133680), (70, 120312), (72, 116970), (80, 105273), (84, 100260), (90, 93576), (105, 80208), (108, 77980), (112, 75195), (120, 70182), (126, 66840), (135, 62384), (140, 60156), (144, 58485), (168, 50130), (180, 46788), (189, 44560), (210, 40104), (216, 38990), (240, 35091), (252, 33420), (270, 31192), (280, 30078), (315, 26736), (336, 25065), (360, 23394), (378, 22280), (420, 20052), (432, 19495), (504, 16710), (540, 15596), (557, 15120), (560, 15039), (630, 13368), (720, 11697), (756, 11140), (840, 10026), (945, 8912), (1008, 8355), (1080, 7798), (1114, 7560), (1260, 6684), (1512, 5570), (1671, 5040), (1680, 5013), (1890, 4456), (2160, 3899), (2228, 3780), (2520, 3342), (2785, 3024)]