16906144920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{11681}}^1$

素因数の和:13425

約数の個数: 128

約数和(自身を含む): 58002531840

約数和(自身を除く): 41096386920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1723, 3446, 5169, 6892, 8615, 10338, 11681, 12061, 13784, 17230, 20676, 23362, 24122, 25845, 34460, 35043, 36183, 41352, 46724, 48244, 51690, 58405, 60305, 68920, 70086, 72366, 81767, 93448, 96488, 103380, 116810, 120610, 140172, 144732, 163534, 175215, 180915, 206760, 233620, 241220, 245301, 280344, 289464, 327068, 350430, 361830, 408835, 467240, 482440, 490602, 654136, 700860, 723660, 817670, 981204, 1226505, 1401720, 1447320, 1635340, 1962408, 2453010, 3270680, 4906020, 9812040, 20126363, 40252726, 60379089, 80505452, 100631815, 120758178, 140884541, 161010904, 201263630, 241516356, 281769082, 301895445, 402527260, 422653623, 483032712, 563538164, 603790890, 704422705, 805054520, 845307246, 1127076328, 1207581780, 1408845410, 1690614492, 2113268115, 2415163560, 2817690820, 3381228984, 4226536230, 5635381640, 8453072460, 16906144920]

約数ペア:

[(1, 16906144920), (2, 8453072460), (3, 5635381640), (4, 4226536230), (5, 3381228984), (6, 2817690820), (7, 2415163560), (8, 2113268115), (10, 1690614492), (12, 1408845410), (14, 1207581780), (15, 1127076328), (20, 845307246), (21, 805054520), (24, 704422705), (28, 603790890), (30, 563538164), (35, 483032712), (40, 422653623), (42, 402527260), (56, 301895445), (60, 281769082), (70, 241516356), (84, 201263630), (105, 161010904), (120, 140884541), (140, 120758178), (168, 100631815), (210, 80505452), (280, 60379089), (420, 40252726), (840, 20126363), (1723, 9812040), (3446, 4906020), (5169, 3270680), (6892, 2453010), (8615, 1962408), (10338, 1635340), (11681, 1447320), (12061, 1401720), (13784, 1226505), (17230, 981204), (20676, 817670), (23362, 723660), (24122, 700860), (25845, 654136), (34460, 490602), (35043, 482440), (36183, 467240), (41352, 408835), (46724, 361830), (48244, 350430), (51690, 327068), (58405, 289464), (60305, 280344), (68920, 245301), (70086, 241220), (72366, 233620), (81767, 206760), (93448, 180915), (96488, 175215), (103380, 163534), (116810, 144732), (120610, 140172)]