15694731080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{1601}}^1$

素因数の和:1999

約数の個数: 128

約数和(自身を含む): 40822548480

約数和(自身を除く): 25127817400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 223, 280, 314, 446, 628, 785, 892, 1099, 1115, 1256, 1561, 1570, 1601, 1784, 2198, 2230, 3122, 3140, 3202, 4396, 4460, 5495, 6244, 6280, 6404, 7805, 8005, 8792, 8920, 10990, 11207, 12488, 12808, 15610, 16010, 21980, 22414, 31220, 32020, 35011, 43960, 44828, 56035, 62440, 64040, 70022, 89656, 112070, 140044, 175055, 224140, 245077, 251357, 280088, 350110, 357023, 448280, 490154, 502714, 700220, 714046, 980308, 1005428, 1225385, 1256785, 1400440, 1428092, 1759499, 1785115, 1960616, 2010856, 2450770, 2499161, 2513570, 2856184, 3518998, 3570230, 4901540, 4998322, 5027140, 7037996, 7140460, 8797495, 9803080, 9996644, 10054280, 12495805, 14075992, 14280920, 17594990, 19993288, 24991610, 35189980, 49983220, 56052611, 70379960, 99966440, 112105222, 224210444, 280263055, 392368277, 448420888, 560526110, 784736554, 1121052220, 1569473108, 1961841385, 2242104440, 3138946216, 3923682770, 7847365540, 15694731080]

約数ペア:

[(1, 15694731080), (2, 7847365540), (4, 3923682770), (5, 3138946216), (7, 2242104440), (8, 1961841385), (10, 1569473108), (14, 1121052220), (20, 784736554), (28, 560526110), (35, 448420888), (40, 392368277), (56, 280263055), (70, 224210444), (140, 112105222), (157, 99966440), (223, 70379960), (280, 56052611), (314, 49983220), (446, 35189980), (628, 24991610), (785, 19993288), (892, 17594990), (1099, 14280920), (1115, 14075992), (1256, 12495805), (1561, 10054280), (1570, 9996644), (1601, 9803080), (1784, 8797495), (2198, 7140460), (2230, 7037996), (3122, 5027140), (3140, 4998322), (3202, 4901540), (4396, 3570230), (4460, 3518998), (5495, 2856184), (6244, 2513570), (6280, 2499161), (6404, 2450770), (7805, 2010856), (8005, 1960616), (8792, 1785115), (8920, 1759499), (10990, 1428092), (11207, 1400440), (12488, 1256785), (12808, 1225385), (15610, 1005428), (16010, 980308), (21980, 714046), (22414, 700220), (31220, 502714), (32020, 490154), (35011, 448280), (43960, 357023), (44828, 350110), (56035, 280088), (62440, 251357), (64040, 245077), (70022, 224140), (89656, 175055), (112070, 140044)]