2807280

素因数分解:

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

素因数の和:583

約数の個数: 120

約数和(自身を含む): 10793952

約数和(自身を除く): 7986672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 557, 560, 630, 720, 840, 1008, 1114, 1260, 1671, 1680, 2228, 2520, 2785, 3342, 3899, 4456, 5013, 5040, 5570, 6684, 7798, 8355, 8912, 10026, 11140, 11697, 13368, 15596, 16710, 19495, 20052, 22280, 23394, 25065, 26736, 31192, 33420, 35091, 38990, 40104, 44560, 46788, 50130, 58485, 62384, 66840, 70182, 77980, 80208, 93576, 100260, 116970, 133680, 140364, 155960, 175455, 187152, 200520, 233940, 280728, 311920, 350910, 401040, 467880, 561456, 701820, 935760, 1403640, 2807280]

約数ペア:

[(1, 2807280), (2, 1403640), (3, 935760), (4, 701820), (5, 561456), (6, 467880), (7, 401040), (8, 350910), (9, 311920), (10, 280728), (12, 233940), (14, 200520), (15, 187152), (16, 175455), (18, 155960), (20, 140364), (21, 133680), (24, 116970), (28, 100260), (30, 93576), (35, 80208), (36, 77980), (40, 70182), (42, 66840), (45, 62384), (48, 58485), (56, 50130), (60, 46788), (63, 44560), (70, 40104), (72, 38990), (80, 35091), (84, 33420), (90, 31192), (105, 26736), (112, 25065), (120, 23394), (126, 22280), (140, 20052), (144, 19495), (168, 16710), (180, 15596), (210, 13368), (240, 11697), (252, 11140), (280, 10026), (315, 8912), (336, 8355), (360, 7798), (420, 6684), (504, 5570), (557, 5040), (560, 5013), (630, 4456), (720, 3899), (840, 3342), (1008, 2785), (1114, 2520), (1260, 2228), (1671, 1680)]