261692340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 945955584

約数和(自身を除く): 684263244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 41, 42, 49, 52, 60, 65, 70, 78, 82, 84, 91, 98, 105, 123, 130, 140, 147, 156, 164, 167, 182, 195, 196, 205, 210, 245, 246, 260, 273, 287, 294, 334, 364, 390, 410, 420, 455, 490, 492, 501, 533, 546, 574, 588, 615, 637, 668, 735, 780, 820, 835, 861, 910, 980, 1002, 1066, 1092, 1148, 1169, 1230, 1274, 1365, 1435, 1470, 1599, 1670, 1722, 1820, 1911, 2004, 2009, 2132, 2171, 2338, 2460, 2505, 2548, 2665, 2730, 2870, 2940, 3185, 3198, 3340, 3444, 3507, 3731, 3822, 4018, 4305, 4342, 4676, 5010, 5330, 5460, 5740, 5845, 6027, 6370, 6396, 6513, 6847, 7014, 7462, 7644, 7995, 8036, 8183, 8610, 8684, 9555, 10020, 10045, 10660, 10855, 11193, 11690, 12054, 12740, 13026, 13694, 14028, 14924, 15197, 15990, 16366, 17220, 17535, 18655, 19110, 20090, 20541, 21710, 22386, 23380, 24108, 24549, 26052, 26117, 27388, 30135, 30394, 31980, 32565, 32732, 34235, 35070, 37310, 38220, 40180, 40915, 41082, 43420, 44772, 45591, 47929, 49098, 52234, 55965, 60270, 60788, 65130, 68470, 70140, 74620, 75985, 78351, 81830, 82164, 89011, 91182, 95858, 98196, 102705, 104468, 106379, 111930, 120540, 122745, 130260, 130585, 136940, 143787, 151970, 156702, 163660, 178022, 182364, 191716, 205410, 212758, 223860, 227955, 239645, 245490, 261170, 267033, 287574, 303940, 313404, 319137, 335503, 356044, 391755, 410820, 425516, 445055, 455910, 479290, 490980, 522340, 531895, 534066, 575148, 623077, 638274, 671006, 718935, 783510, 890110, 911820, 958580, 1006509, 1063790, 1068132, 1246154, 1276548, 1335165, 1342012, 1437870, 1567020, 1595685, 1677515, 1780220, 1869231, 2013018, 2127580, 2492308, 2670330, 2875740, 3115385, 3191370, 3355030, 3738462, 4026036, 4361539, 5032545, 5340660, 6230770, 6382740, 6710060, 7476924, 8723078, 9346155, 10065090, 12461540, 13084617, 17446156, 18692310, 20130180, 21807695, 26169234, 37384620, 43615390, 52338468, 65423085, 87230780, 130846170, 261692340]

約数ペア:

[(1, 261692340), (2, 130846170), (3, 87230780), (4, 65423085), (5, 52338468), (6, 43615390), (7, 37384620), (10, 26169234), (12, 21807695), (13, 20130180), (14, 18692310), (15, 17446156), (20, 13084617), (21, 12461540), (26, 10065090), (28, 9346155), (30, 8723078), (35, 7476924), (39, 6710060), (41, 6382740), (42, 6230770), (49, 5340660), (52, 5032545), (60, 4361539), (65, 4026036), (70, 3738462), (78, 3355030), (82, 3191370), (84, 3115385), (91, 2875740), (98, 2670330), (105, 2492308), (123, 2127580), (130, 2013018), (140, 1869231), (147, 1780220), (156, 1677515), (164, 1595685), (167, 1567020), (182, 1437870), (195, 1342012), (196, 1335165), (205, 1276548), (210, 1246154), (245, 1068132), (246, 1063790), (260, 1006509), (273, 958580), (287, 911820), (294, 890110), (334, 783510), (364, 718935), (390, 671006), (410, 638274), (420, 623077), (455, 575148), (490, 534066), (492, 531895), (501, 522340), (533, 490980), (546, 479290), (574, 455910), (588, 445055), (615, 425516), (637, 410820), (668, 391755), (735, 356044), (780, 335503), (820, 319137), (835, 313404), (861, 303940), (910, 287574), (980, 267033), (1002, 261170), (1066, 245490), (1092, 239645), (1148, 227955), (1169, 223860), (1230, 212758), (1274, 205410), (1365, 191716), (1435, 182364), (1470, 178022), (1599, 163660), (1670, 156702), (1722, 151970), (1820, 143787), (1911, 136940), (2004, 130585), (2009, 130260), (2132, 122745), (2171, 120540), (2338, 111930), (2460, 106379), (2505, 104468), (2548, 102705), (2665, 98196), (2730, 95858), (2870, 91182), (2940, 89011), (3185, 82164), (3198, 81830), (3340, 78351), (3444, 75985), (3507, 74620), (3731, 70140), (3822, 68470), (4018, 65130), (4305, 60788), (4342, 60270), (4676, 55965), (5010, 52234), (5330, 49098), (5460, 47929), (5740, 45591), (5845, 44772), (6027, 43420), (6370, 41082), (6396, 40915), (6513, 40180), (6847, 38220), (7014, 37310), (7462, 35070), (7644, 34235), (7995, 32732), (8036, 32565), (8183, 31980), (8610, 30394), (8684, 30135), (9555, 27388), (10020, 26117), (10045, 26052), (10660, 24549), (10855, 24108), (11193, 23380), (11690, 22386), (12054, 21710), (12740, 20541), (13026, 20090), (13694, 19110), (14028, 18655), (14924, 17535), (15197, 17220), (15990, 16366)]