689587920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2330

約数の個数: 240

約数和(自身を含む): 2691292032

約数和(自身を除く): 2001704112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1464, 1680, 1708, 1830, 2135, 2196, 2243, 2440, 2520, 2562, 2745, 2928, 3416, 3660, 3843, 4270, 4392, 4486, 4880, 5040, 5124, 5490, 6405, 6729, 6832, 7320, 7686, 8540, 8784, 8972, 10248, 10980, 11215, 12810, 13458, 14640, 15372, 15701, 17080, 17944, 19215, 20187, 20496, 21960, 22430, 25620, 26916, 30744, 31402, 33645, 34160, 35888, 38430, 40374, 43920, 44860, 47103, 51240, 53832, 61488, 62804, 67290, 76860, 78505, 80748, 89720, 94206, 100935, 102480, 107664, 125608, 134580, 136823, 141309, 153720, 157010, 161496, 179440, 188412, 201870, 235515, 251216, 269160, 273646, 282618, 307440, 314020, 322992, 376824, 403740, 410469, 471030, 538320, 547292, 565236, 628040, 684115, 706545, 753648, 807480, 820938, 942060, 957761, 1094584, 1130472, 1231407, 1256080, 1368230, 1413090, 1614960, 1641876, 1884120, 1915522, 2052345, 2189168, 2260944, 2462814, 2736460, 2826180, 2873283, 3283752, 3768240, 3831044, 4104690, 4788805, 4925628, 5472920, 5652360, 5746566, 6157035, 6567504, 7662088, 8209380, 8619849, 9577610, 9851256, 10945840, 11304720, 11493132, 12314070, 14366415, 15324176, 16418760, 17239698, 19155220, 19702512, 22986264, 24628140, 28732830, 32837520, 34479396, 38310440, 43099245, 45972528, 49256280, 57465660, 68958792, 76620880, 86198490, 98512560, 114931320, 137917584, 172396980, 229862640, 344793960, 689587920]

約数ペア:

[(1, 689587920), (2, 344793960), (3, 229862640), (4, 172396980), (5, 137917584), (6, 114931320), (7, 98512560), (8, 86198490), (9, 76620880), (10, 68958792), (12, 57465660), (14, 49256280), (15, 45972528), (16, 43099245), (18, 38310440), (20, 34479396), (21, 32837520), (24, 28732830), (28, 24628140), (30, 22986264), (35, 19702512), (36, 19155220), (40, 17239698), (42, 16418760), (45, 15324176), (48, 14366415), (56, 12314070), (60, 11493132), (61, 11304720), (63, 10945840), (70, 9851256), (72, 9577610), (80, 8619849), (84, 8209380), (90, 7662088), (105, 6567504), (112, 6157035), (120, 5746566), (122, 5652360), (126, 5472920), (140, 4925628), (144, 4788805), (168, 4104690), (180, 3831044), (183, 3768240), (210, 3283752), (240, 2873283), (244, 2826180), (252, 2736460), (280, 2462814), (305, 2260944), (315, 2189168), (336, 2052345), (360, 1915522), (366, 1884120), (420, 1641876), (427, 1614960), (488, 1413090), (504, 1368230), (549, 1256080), (560, 1231407), (610, 1130472), (630, 1094584), (720, 957761), (732, 942060), (840, 820938), (854, 807480), (915, 753648), (976, 706545), (1008, 684115), (1098, 628040), (1220, 565236), (1260, 547292), (1281, 538320), (1464, 471030), (1680, 410469), (1708, 403740), (1830, 376824), (2135, 322992), (2196, 314020), (2243, 307440), (2440, 282618), (2520, 273646), (2562, 269160), (2745, 251216), (2928, 235515), (3416, 201870), (3660, 188412), (3843, 179440), (4270, 161496), (4392, 157010), (4486, 153720), (4880, 141309), (5040, 136823), (5124, 134580), (5490, 125608), (6405, 107664), (6729, 102480), (6832, 100935), (7320, 94206), (7686, 89720), (8540, 80748), (8784, 78505), (8972, 76860), (10248, 67290), (10980, 62804), (11215, 61488), (12810, 53832), (13458, 51240), (14640, 47103), (15372, 44860), (15701, 43920), (17080, 40374), (17944, 38430), (19215, 35888), (20187, 34160), (20496, 33645), (21960, 31402), (22430, 30744), (25620, 26916)]