31818150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 112805280

約数和(自身を除く): 80987130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 27, 30, 35, 37, 39, 42, 45, 49, 50, 54, 63, 65, 70, 74, 75, 78, 90, 91, 98, 105, 111, 117, 126, 130, 135, 147, 150, 175, 182, 185, 189, 195, 210, 222, 225, 234, 245, 259, 270, 273, 294, 315, 325, 333, 350, 351, 370, 378, 390, 441, 450, 455, 481, 490, 518, 525, 546, 555, 585, 630, 637, 650, 666, 675, 702, 735, 777, 819, 882, 910, 925, 945, 962, 975, 999, 1050, 1110, 1170, 1225, 1274, 1295, 1323, 1350, 1365, 1443, 1470, 1554, 1575, 1638, 1665, 1755, 1813, 1850, 1890, 1911, 1950, 1998, 2205, 2275, 2331, 2405, 2450, 2457, 2590, 2646, 2730, 2775, 2886, 2925, 3150, 3185, 3330, 3367, 3510, 3626, 3675, 3822, 3885, 4095, 4329, 4410, 4550, 4662, 4725, 4810, 4914, 4995, 5439, 5550, 5733, 5850, 6370, 6475, 6615, 6734, 6825, 6993, 7215, 7350, 7770, 8190, 8325, 8658, 8775, 9065, 9450, 9555, 9990, 10101, 10878, 11025, 11466, 11655, 12025, 12285, 12950, 12987, 13230, 13650, 13986, 14430, 15925, 16317, 16650, 16835, 17199, 17550, 18130, 19110, 19425, 20202, 20475, 21645, 22050, 23310, 23569, 24050, 24570, 24975, 25974, 27195, 28665, 30303, 31850, 32634, 33075, 33670, 34398, 34965, 36075, 38850, 40950, 43290, 45325, 47138, 47775, 48951, 49950, 50505, 54390, 57330, 58275, 60606, 61425, 64935, 66150, 69930, 70707, 72150, 81585, 84175, 85995, 90650, 90909, 95550, 97902, 101010, 108225, 116550, 117845, 122850, 129870, 135975, 141414, 143325, 151515, 163170, 168350, 171990, 174825, 181818, 212121, 216450, 235690, 244755, 252525, 271950, 286650, 303030, 324675, 349650, 353535, 407925, 424242, 429975, 454545, 489510, 505050, 589225, 636363, 649350, 707070, 757575, 815850, 859950, 909090, 1060605, 1178450, 1223775, 1272726, 1515150, 1767675, 2121210, 2272725, 2447550, 3181815, 3535350, 4545450, 5303025, 6363630, 10606050, 15909075, 31818150]

約数ペア:

[(1, 31818150), (2, 15909075), (3, 10606050), (5, 6363630), (6, 5303025), (7, 4545450), (9, 3535350), (10, 3181815), (13, 2447550), (14, 2272725), (15, 2121210), (18, 1767675), (21, 1515150), (25, 1272726), (26, 1223775), (27, 1178450), (30, 1060605), (35, 909090), (37, 859950), (39, 815850), (42, 757575), (45, 707070), (49, 649350), (50, 636363), (54, 589225), (63, 505050), (65, 489510), (70, 454545), (74, 429975), (75, 424242), (78, 407925), (90, 353535), (91, 349650), (98, 324675), (105, 303030), (111, 286650), (117, 271950), (126, 252525), (130, 244755), (135, 235690), (147, 216450), (150, 212121), (175, 181818), (182, 174825), (185, 171990), (189, 168350), (195, 163170), (210, 151515), (222, 143325), (225, 141414), (234, 135975), (245, 129870), (259, 122850), (270, 117845), (273, 116550), (294, 108225), (315, 101010), (325, 97902), (333, 95550), (350, 90909), (351, 90650), (370, 85995), (378, 84175), (390, 81585), (441, 72150), (450, 70707), (455, 69930), (481, 66150), (490, 64935), (518, 61425), (525, 60606), (546, 58275), (555, 57330), (585, 54390), (630, 50505), (637, 49950), (650, 48951), (666, 47775), (675, 47138), (702, 45325), (735, 43290), (777, 40950), (819, 38850), (882, 36075), (910, 34965), (925, 34398), (945, 33670), (962, 33075), (975, 32634), (999, 31850), (1050, 30303), (1110, 28665), (1170, 27195), (1225, 25974), (1274, 24975), (1295, 24570), (1323, 24050), (1350, 23569), (1365, 23310), (1443, 22050), (1470, 21645), (1554, 20475), (1575, 20202), (1638, 19425), (1665, 19110), (1755, 18130), (1813, 17550), (1850, 17199), (1890, 16835), (1911, 16650), (1950, 16317), (1998, 15925), (2205, 14430), (2275, 13986), (2331, 13650), (2405, 13230), (2450, 12987), (2457, 12950), (2590, 12285), (2646, 12025), (2730, 11655), (2775, 11466), (2886, 11025), (2925, 10878), (3150, 10101), (3185, 9990), (3330, 9555), (3367, 9450), (3510, 9065), (3626, 8775), (3675, 8658), (3822, 8325), (3885, 8190), (4095, 7770), (4329, 7350), (4410, 7215), (4550, 6993), (4662, 6825), (4725, 6734), (4810, 6615), (4914, 6475), (4995, 6370), (5439, 5850), (5550, 5733)]