1639126720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66523}}^1$

素因数の和:66558

約数の個数: 112

約数和(自身を含む): 4866363648

約数和(自身を除く): 3227236928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 24640, 66523, 133046, 266092, 332615, 465661, 532184, 665230, 731753, 931322, 1064368, 1330460, 1463506, 1862644, 2128736, 2328305, 2660920, 2927012, 3658765, 3725288, 4257472, 4656610, 5122271, 5321840, 5854024, 7317530, 7450576, 9313220, 10244542, 10643680, 11708048, 14635060, 14901152, 18626440, 20489084, 21287360, 23416096, 25611355, 29270120, 29802304, 37252880, 40978168, 46832192, 51222710, 58540240, 74505760, 81956336, 102445420, 117080480, 149011520, 163912672, 204890840, 234160960, 327825344, 409781680, 819563360, 1639126720]

約数ペア:

[(1, 1639126720), (2, 819563360), (4, 409781680), (5, 327825344), (7, 234160960), (8, 204890840), (10, 163912672), (11, 149011520), (14, 117080480), (16, 102445420), (20, 81956336), (22, 74505760), (28, 58540240), (32, 51222710), (35, 46832192), (40, 40978168), (44, 37252880), (55, 29802304), (56, 29270120), (64, 25611355), (70, 23416096), (77, 21287360), (80, 20489084), (88, 18626440), (110, 14901152), (112, 14635060), (140, 11708048), (154, 10643680), (160, 10244542), (176, 9313220), (220, 7450576), (224, 7317530), (280, 5854024), (308, 5321840), (320, 5122271), (352, 4656610), (385, 4257472), (440, 3725288), (448, 3658765), (560, 2927012), (616, 2660920), (704, 2328305), (770, 2128736), (880, 1862644), (1120, 1463506), (1232, 1330460), (1540, 1064368), (1760, 931322), (2240, 731753), (2464, 665230), (3080, 532184), (3520, 465661), (4928, 332615), (6160, 266092), (12320, 133046), (24640, 66523)]