680613840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 2396179968

約数和(自身を除く): 1715566128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 157, 162, 180, 216, 223, 240, 243, 270, 314, 324, 360, 405, 432, 446, 471, 486, 540, 628, 648, 669, 720, 785, 810, 892, 942, 972, 1080, 1115, 1215, 1256, 1296, 1338, 1413, 1570, 1620, 1784, 1884, 1944, 2007, 2160, 2230, 2355, 2430, 2512, 2676, 2826, 3140, 3240, 3345, 3568, 3768, 3888, 4014, 4239, 4460, 4710, 4860, 5352, 5652, 6021, 6280, 6480, 6690, 7065, 7536, 8028, 8478, 8920, 9420, 9720, 10035, 10704, 11304, 12042, 12560, 12717, 13380, 14130, 16056, 16956, 17840, 18063, 18840, 19440, 20070, 21195, 22608, 24084, 25434, 26760, 28260, 30105, 32112, 33912, 35011, 36126, 37680, 38151, 40140, 42390, 48168, 50868, 53520, 54189, 56520, 60210, 63585, 67824, 70022, 72252, 76302, 80280, 84780, 90315, 96336, 101736, 105033, 108378, 113040, 120420, 127170, 140044, 144504, 152604, 160560, 169560, 175055, 180630, 190755, 203472, 210066, 216756, 240840, 254340, 270945, 280088, 289008, 305208, 315099, 339120, 350110, 361260, 381510, 420132, 433512, 481680, 508680, 525165, 541890, 560176, 610416, 630198, 700220, 722520, 763020, 840264, 867024, 945297, 1017360, 1050330, 1083780, 1260396, 1400440, 1445040, 1526040, 1575495, 1680528, 1890594, 2100660, 2167560, 2520792, 2800880, 2835891, 3052080, 3150990, 3781188, 4201320, 4335120, 4726485, 5041584, 5671782, 6301980, 7562376, 8402640, 8507673, 9452970, 11343564, 12603960, 14179455, 15124752, 17015346, 18905940, 22687128, 25207920, 28358910, 34030692, 37811880, 42538365, 45374256, 56717820, 68061384, 75623760, 85076730, 113435640, 136122768, 170153460, 226871280, 340306920, 680613840]

約数ペア:

[(1, 680613840), (2, 340306920), (3, 226871280), (4, 170153460), (5, 136122768), (6, 113435640), (8, 85076730), (9, 75623760), (10, 68061384), (12, 56717820), (15, 45374256), (16, 42538365), (18, 37811880), (20, 34030692), (24, 28358910), (27, 25207920), (30, 22687128), (36, 18905940), (40, 17015346), (45, 15124752), (48, 14179455), (54, 12603960), (60, 11343564), (72, 9452970), (80, 8507673), (81, 8402640), (90, 7562376), (108, 6301980), (120, 5671782), (135, 5041584), (144, 4726485), (157, 4335120), (162, 4201320), (180, 3781188), (216, 3150990), (223, 3052080), (240, 2835891), (243, 2800880), (270, 2520792), (314, 2167560), (324, 2100660), (360, 1890594), (405, 1680528), (432, 1575495), (446, 1526040), (471, 1445040), (486, 1400440), (540, 1260396), (628, 1083780), (648, 1050330), (669, 1017360), (720, 945297), (785, 867024), (810, 840264), (892, 763020), (942, 722520), (972, 700220), (1080, 630198), (1115, 610416), (1215, 560176), (1256, 541890), (1296, 525165), (1338, 508680), (1413, 481680), (1570, 433512), (1620, 420132), (1784, 381510), (1884, 361260), (1944, 350110), (2007, 339120), (2160, 315099), (2230, 305208), (2355, 289008), (2430, 280088), (2512, 270945), (2676, 254340), (2826, 240840), (3140, 216756), (3240, 210066), (3345, 203472), (3568, 190755), (3768, 180630), (3888, 175055), (4014, 169560), (4239, 160560), (4460, 152604), (4710, 144504), (4860, 140044), (5352, 127170), (5652, 120420), (6021, 113040), (6280, 108378), (6480, 105033), (6690, 101736), (7065, 96336), (7536, 90315), (8028, 84780), (8478, 80280), (8920, 76302), (9420, 72252), (9720, 70022), (10035, 67824), (10704, 63585), (11304, 60210), (12042, 56520), (12560, 54189), (12717, 53520), (13380, 50868), (14130, 48168), (16056, 42390), (16956, 40140), (17840, 38151), (18063, 37680), (18840, 36126), (19440, 35011), (20070, 33912), (21195, 32112), (22608, 30105), (24084, 28260), (25434, 26760)]