1663510040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 4077216000

約数和(自身を除く): 2413705960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 109, 152, 172, 190, 215, 218, 344, 380, 430, 436, 467, 545, 760, 817, 860, 872, 934, 1090, 1634, 1720, 1868, 2071, 2180, 2335, 3268, 3736, 4085, 4142, 4360, 4670, 4687, 6536, 8170, 8284, 8873, 9340, 9374, 10355, 16340, 16568, 17746, 18680, 18748, 20081, 20710, 23435, 32680, 35492, 37496, 40162, 41420, 44365, 46870, 50903, 70984, 80324, 82840, 88730, 89053, 93740, 100405, 101806, 160648, 177460, 178106, 187480, 200810, 203612, 254515, 354920, 356212, 381539, 401620, 407224, 445265, 509030, 712424, 763078, 803240, 890530, 967157, 1018060, 1526156, 1781060, 1907695, 1934314, 2036120, 2188829, 3052312, 3562120, 3815390, 3868628, 4377658, 4835785, 7630780, 7737256, 8755316, 9671570, 10944145, 15261560, 17510632, 19343140, 21888290, 38686280, 41587751, 43776580, 83175502, 87553160, 166351004, 207938755, 332702008, 415877510, 831755020, 1663510040]

約数ペア:

[(1, 1663510040), (2, 831755020), (4, 415877510), (5, 332702008), (8, 207938755), (10, 166351004), (19, 87553160), (20, 83175502), (38, 43776580), (40, 41587751), (43, 38686280), (76, 21888290), (86, 19343140), (95, 17510632), (109, 15261560), (152, 10944145), (172, 9671570), (190, 8755316), (215, 7737256), (218, 7630780), (344, 4835785), (380, 4377658), (430, 3868628), (436, 3815390), (467, 3562120), (545, 3052312), (760, 2188829), (817, 2036120), (860, 1934314), (872, 1907695), (934, 1781060), (1090, 1526156), (1634, 1018060), (1720, 967157), (1868, 890530), (2071, 803240), (2180, 763078), (2335, 712424), (3268, 509030), (3736, 445265), (4085, 407224), (4142, 401620), (4360, 381539), (4670, 356212), (4687, 354920), (6536, 254515), (8170, 203612), (8284, 200810), (8873, 187480), (9340, 178106), (9374, 177460), (10355, 160648), (16340, 101806), (16568, 100405), (17746, 93740), (18680, 89053), (18748, 88730), (20081, 82840), (20710, 80324), (23435, 70984), (32680, 50903), (35492, 46870), (37496, 44365), (40162, 41420)]