216705720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 256

約数和(自身を含む): 829440000

約数和(自身を除く): 612734280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 55, 56, 60, 66, 70, 77, 84, 88, 94, 105, 110, 120, 132, 140, 141, 154, 165, 168, 188, 210, 220, 231, 235, 264, 280, 282, 308, 329, 330, 376, 385, 420, 440, 462, 470, 499, 517, 564, 616, 658, 660, 705, 770, 840, 924, 940, 987, 998, 1034, 1128, 1155, 1316, 1320, 1410, 1497, 1540, 1551, 1645, 1848, 1880, 1974, 1996, 2068, 2310, 2495, 2585, 2632, 2820, 2994, 3080, 3102, 3290, 3493, 3619, 3948, 3992, 4136, 4620, 4935, 4990, 5170, 5489, 5640, 5988, 6204, 6580, 6986, 7238, 7485, 7755, 7896, 9240, 9870, 9980, 10340, 10479, 10857, 10978, 11976, 12408, 13160, 13972, 14476, 14970, 15510, 16467, 17465, 18095, 19740, 19960, 20680, 20958, 21714, 21956, 23453, 27445, 27944, 28952, 29940, 31020, 32934, 34930, 36190, 38423, 39480, 41916, 43428, 43912, 46906, 52395, 54285, 54890, 59880, 62040, 65868, 69860, 70359, 72380, 76846, 82335, 83832, 86856, 93812, 104790, 108570, 109780, 115269, 117265, 131736, 139720, 140718, 144760, 153692, 164171, 164670, 187624, 192115, 209580, 217140, 219560, 230538, 234530, 257983, 281436, 307384, 328342, 329340, 351795, 384230, 419160, 434280, 461076, 469060, 492513, 515966, 562872, 576345, 656684, 658680, 703590, 768460, 773949, 820855, 922152, 938120, 985026, 1031932, 1152690, 1289915, 1313368, 1407180, 1536920, 1547898, 1641710, 1805881, 1970052, 2063864, 2305380, 2462565, 2579830, 2814360, 3095796, 3283420, 3611762, 3869745, 3940104, 4610760, 4925130, 5159660, 5417643, 6191592, 6566840, 7223524, 7739490, 9029405, 9850260, 10319320, 10835286, 14447048, 15478980, 18058810, 19700520, 21670572, 27088215, 30957960, 36117620, 43341144, 54176430, 72235240, 108352860, 216705720]

約数ペア:

[(1, 216705720), (2, 108352860), (3, 72235240), (4, 54176430), (5, 43341144), (6, 36117620), (7, 30957960), (8, 27088215), (10, 21670572), (11, 19700520), (12, 18058810), (14, 15478980), (15, 14447048), (20, 10835286), (21, 10319320), (22, 9850260), (24, 9029405), (28, 7739490), (30, 7223524), (33, 6566840), (35, 6191592), (40, 5417643), (42, 5159660), (44, 4925130), (47, 4610760), (55, 3940104), (56, 3869745), (60, 3611762), (66, 3283420), (70, 3095796), (77, 2814360), (84, 2579830), (88, 2462565), (94, 2305380), (105, 2063864), (110, 1970052), (120, 1805881), (132, 1641710), (140, 1547898), (141, 1536920), (154, 1407180), (165, 1313368), (168, 1289915), (188, 1152690), (210, 1031932), (220, 985026), (231, 938120), (235, 922152), (264, 820855), (280, 773949), (282, 768460), (308, 703590), (329, 658680), (330, 656684), (376, 576345), (385, 562872), (420, 515966), (440, 492513), (462, 469060), (470, 461076), (499, 434280), (517, 419160), (564, 384230), (616, 351795), (658, 329340), (660, 328342), (705, 307384), (770, 281436), (840, 257983), (924, 234530), (940, 230538), (987, 219560), (998, 217140), (1034, 209580), (1128, 192115), (1155, 187624), (1316, 164670), (1320, 164171), (1410, 153692), (1497, 144760), (1540, 140718), (1551, 139720), (1645, 131736), (1848, 117265), (1880, 115269), (1974, 109780), (1996, 108570), (2068, 104790), (2310, 93812), (2495, 86856), (2585, 83832), (2632, 82335), (2820, 76846), (2994, 72380), (3080, 70359), (3102, 69860), (3290, 65868), (3493, 62040), (3619, 59880), (3948, 54890), (3992, 54285), (4136, 52395), (4620, 46906), (4935, 43912), (4990, 43428), (5170, 41916), (5489, 39480), (5640, 38423), (5988, 36190), (6204, 34930), (6580, 32934), (6986, 31020), (7238, 29940), (7485, 28952), (7755, 27944), (7896, 27445), (9240, 23453), (9870, 21956), (9980, 21714), (10340, 20958), (10479, 20680), (10857, 19960), (10978, 19740), (11976, 18095), (12408, 17465), (13160, 16467), (13972, 15510), (14476, 14970)]