691378740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 288

約数和(自身を含む): 2424554496

約数和(自身を除く): 1733175756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 243, 260, 270, 279, 310, 324, 351, 353, 372, 390, 403, 405, 465, 468, 486, 540, 558, 585, 620, 702, 706, 780, 806, 810, 837, 930, 972, 1053, 1059, 1116, 1170, 1209, 1215, 1395, 1404, 1412, 1612, 1620, 1674, 1755, 1765, 1860, 2015, 2106, 2118, 2340, 2418, 2430, 2511, 2790, 3159, 3177, 3348, 3510, 3530, 3627, 4030, 4185, 4212, 4236, 4589, 4836, 4860, 5022, 5265, 5295, 5580, 6045, 6318, 6354, 7020, 7060, 7254, 7533, 8060, 8370, 9178, 9531, 10044, 10530, 10590, 10881, 10943, 12090, 12555, 12636, 12708, 13767, 14508, 15066, 15795, 15885, 16740, 18135, 18356, 19062, 21060, 21180, 21762, 21886, 22945, 24180, 25110, 27534, 28593, 30132, 31590, 31770, 32643, 32829, 36270, 37665, 38124, 41301, 43524, 43772, 45890, 47655, 50220, 54405, 54715, 55068, 57186, 63180, 63540, 65286, 65658, 68835, 72540, 75330, 82602, 85779, 91780, 95310, 97929, 98487, 108810, 109430, 114372, 123903, 130572, 131316, 137670, 142259, 142965, 150660, 163215, 164145, 165204, 171558, 190620, 195858, 196974, 206505, 217620, 218860, 247806, 275340, 284518, 285930, 295461, 326430, 328290, 343116, 371709, 391716, 393948, 413010, 426777, 428895, 489645, 492435, 495612, 569036, 571860, 590922, 619515, 652860, 656580, 711295, 743418, 826020, 853554, 857790, 886383, 979290, 984870, 1115127, 1181844, 1239030, 1280331, 1422590, 1477305, 1486836, 1707108, 1715580, 1772766, 1858545, 1958580, 1969740, 2133885, 2230254, 2478060, 2560662, 2659149, 2845180, 2954610, 3545532, 3717090, 3840993, 4267770, 4431915, 4460508, 5121324, 5318298, 5575635, 5909220, 6401655, 7434180, 7681986, 8535540, 8863830, 10636596, 11151270, 11522979, 12803310, 13295745, 15363972, 17727660, 19204965, 22302540, 23045958, 25606620, 26591490, 34568937, 38409930, 46091916, 53182980, 57614895, 69137874, 76819860, 115229790, 138275748, 172844685, 230459580, 345689370, 691378740]

約数ペア:

[(1, 691378740), (2, 345689370), (3, 230459580), (4, 172844685), (5, 138275748), (6, 115229790), (9, 76819860), (10, 69137874), (12, 57614895), (13, 53182980), (15, 46091916), (18, 38409930), (20, 34568937), (26, 26591490), (27, 25606620), (30, 23045958), (31, 22302540), (36, 19204965), (39, 17727660), (45, 15363972), (52, 13295745), (54, 12803310), (60, 11522979), (62, 11151270), (65, 10636596), (78, 8863830), (81, 8535540), (90, 7681986), (93, 7434180), (108, 6401655), (117, 5909220), (124, 5575635), (130, 5318298), (135, 5121324), (155, 4460508), (156, 4431915), (162, 4267770), (180, 3840993), (186, 3717090), (195, 3545532), (234, 2954610), (243, 2845180), (260, 2659149), (270, 2560662), (279, 2478060), (310, 2230254), (324, 2133885), (351, 1969740), (353, 1958580), (372, 1858545), (390, 1772766), (403, 1715580), (405, 1707108), (465, 1486836), (468, 1477305), (486, 1422590), (540, 1280331), (558, 1239030), (585, 1181844), (620, 1115127), (702, 984870), (706, 979290), (780, 886383), (806, 857790), (810, 853554), (837, 826020), (930, 743418), (972, 711295), (1053, 656580), (1059, 652860), (1116, 619515), (1170, 590922), (1209, 571860), (1215, 569036), (1395, 495612), (1404, 492435), (1412, 489645), (1612, 428895), (1620, 426777), (1674, 413010), (1755, 393948), (1765, 391716), (1860, 371709), (2015, 343116), (2106, 328290), (2118, 326430), (2340, 295461), (2418, 285930), (2430, 284518), (2511, 275340), (2790, 247806), (3159, 218860), (3177, 217620), (3348, 206505), (3510, 196974), (3530, 195858), (3627, 190620), (4030, 171558), (4185, 165204), (4212, 164145), (4236, 163215), (4589, 150660), (4836, 142965), (4860, 142259), (5022, 137670), (5265, 131316), (5295, 130572), (5580, 123903), (6045, 114372), (6318, 109430), (6354, 108810), (7020, 98487), (7060, 97929), (7254, 95310), (7533, 91780), (8060, 85779), (8370, 82602), (9178, 75330), (9531, 72540), (10044, 68835), (10530, 65658), (10590, 65286), (10881, 63540), (10943, 63180), (12090, 57186), (12555, 55068), (12636, 54715), (12708, 54405), (13767, 50220), (14508, 47655), (15066, 45890), (15795, 43772), (15885, 43524), (16740, 41301), (18135, 38124), (18356, 37665), (19062, 36270), (21060, 32829), (21180, 32643), (21762, 31770), (21886, 31590), (22945, 30132), (24180, 28593), (25110, 27534)]