1660509760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 224

約数和(自身を含む): 4915814400

約数和(自身を除く): 3255304640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 182, 208, 224, 254, 260, 280, 320, 364, 416, 448, 449, 455, 508, 520, 560, 635, 728, 832, 889, 898, 910, 1016, 1040, 1120, 1270, 1456, 1651, 1778, 1796, 1820, 2032, 2080, 2240, 2245, 2540, 2912, 3143, 3302, 3556, 3592, 3640, 4064, 4160, 4445, 4490, 5080, 5824, 5837, 6286, 6604, 7112, 7184, 7280, 8128, 8255, 8890, 8980, 10160, 11557, 11674, 12572, 13208, 14224, 14368, 14560, 15715, 16510, 17780, 17960, 20320, 23114, 23348, 25144, 26416, 28448, 28736, 29120, 29185, 31430, 33020, 35560, 35920, 40640, 40859, 46228, 46696, 50288, 52832, 56896, 57023, 57785, 58370, 62860, 66040, 71120, 71840, 81718, 92456, 93392, 100576, 105664, 114046, 115570, 116740, 125720, 132080, 142240, 143680, 163436, 184912, 186784, 201152, 204295, 228092, 231140, 233480, 251440, 264160, 284480, 285115, 326872, 369824, 373568, 399161, 408590, 456184, 462280, 466960, 502880, 528320, 570230, 653744, 739648, 741299, 798322, 817180, 912368, 924560, 933920, 1005760, 1140460, 1307488, 1482598, 1596644, 1634360, 1824736, 1849120, 1867840, 1995805, 2280920, 2614976, 2965196, 3193288, 3268720, 3649472, 3698240, 3706495, 3991610, 4561840, 5189093, 5930392, 6386576, 6537440, 7412990, 7983220, 9123680, 10378186, 11860784, 12773152, 13074880, 14825980, 15966440, 18247360, 20756372, 23721568, 25546304, 25945465, 29651960, 31932880, 41512744, 47443136, 51890930, 59303920, 63865760, 83025488, 103781860, 118607840, 127731520, 166050976, 207563720, 237215680, 332101952, 415127440, 830254880, 1660509760]

約数ペア:

[(1, 1660509760), (2, 830254880), (4, 415127440), (5, 332101952), (7, 237215680), (8, 207563720), (10, 166050976), (13, 127731520), (14, 118607840), (16, 103781860), (20, 83025488), (26, 63865760), (28, 59303920), (32, 51890930), (35, 47443136), (40, 41512744), (52, 31932880), (56, 29651960), (64, 25945465), (65, 25546304), (70, 23721568), (80, 20756372), (91, 18247360), (104, 15966440), (112, 14825980), (127, 13074880), (130, 12773152), (140, 11860784), (160, 10378186), (182, 9123680), (208, 7983220), (224, 7412990), (254, 6537440), (260, 6386576), (280, 5930392), (320, 5189093), (364, 4561840), (416, 3991610), (448, 3706495), (449, 3698240), (455, 3649472), (508, 3268720), (520, 3193288), (560, 2965196), (635, 2614976), (728, 2280920), (832, 1995805), (889, 1867840), (898, 1849120), (910, 1824736), (1016, 1634360), (1040, 1596644), (1120, 1482598), (1270, 1307488), (1456, 1140460), (1651, 1005760), (1778, 933920), (1796, 924560), (1820, 912368), (2032, 817180), (2080, 798322), (2240, 741299), (2245, 739648), (2540, 653744), (2912, 570230), (3143, 528320), (3302, 502880), (3556, 466960), (3592, 462280), (3640, 456184), (4064, 408590), (4160, 399161), (4445, 373568), (4490, 369824), (5080, 326872), (5824, 285115), (5837, 284480), (6286, 264160), (6604, 251440), (7112, 233480), (7184, 231140), (7280, 228092), (8128, 204295), (8255, 201152), (8890, 186784), (8980, 184912), (10160, 163436), (11557, 143680), (11674, 142240), (12572, 132080), (13208, 125720), (14224, 116740), (14368, 115570), (14560, 114046), (15715, 105664), (16510, 100576), (17780, 93392), (17960, 92456), (20320, 81718), (23114, 71840), (23348, 71120), (25144, 66040), (26416, 62860), (28448, 58370), (28736, 57785), (29120, 57023), (29185, 56896), (31430, 52832), (33020, 50288), (35560, 46696), (35920, 46228), (40640, 40859)]