981231840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 384

約数和(自身を含む): 3762339840

約数和(自身を除く): 2781108000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 32, 34, 36, 40, 45, 48, 51, 54, 60, 62, 68, 72, 80, 85, 90, 93, 96, 102, 108, 120, 124, 135, 136, 144, 153, 155, 160, 170, 180, 186, 204, 216, 240, 248, 255, 270, 272, 279, 288, 306, 310, 340, 360, 372, 408, 431, 432, 459, 465, 480, 496, 510, 527, 540, 544, 558, 612, 620, 680, 720, 744, 765, 816, 837, 862, 864, 918, 930, 992, 1020, 1054, 1080, 1116, 1224, 1240, 1293, 1360, 1395, 1440, 1488, 1530, 1581, 1632, 1674, 1724, 1836, 1860, 2040, 2108, 2155, 2160, 2232, 2295, 2448, 2480, 2586, 2635, 2720, 2790, 2976, 3060, 3162, 3348, 3448, 3672, 3720, 3879, 4080, 4185, 4216, 4310, 4320, 4464, 4590, 4743, 4896, 4960, 5172, 5270, 5580, 6120, 6324, 6465, 6696, 6896, 7327, 7344, 7440, 7758, 7905, 8160, 8370, 8432, 8620, 8928, 9180, 9486, 10344, 10540, 11160, 11637, 12240, 12648, 12930, 13361, 13392, 13792, 14229, 14654, 14688, 14880, 15516, 15810, 16740, 16864, 17240, 18360, 18972, 19395, 20688, 21080, 21981, 22320, 23274, 23715, 24480, 25296, 25860, 26722, 26784, 28458, 29308, 31032, 31620, 33480, 34480, 36635, 36720, 37944, 38790, 40083, 41376, 42160, 43962, 44640, 46548, 47430, 50592, 51720, 53444, 56916, 58185, 58616, 62064, 63240, 65943, 66805, 66960, 68960, 71145, 73270, 73440, 75888, 77580, 80166, 84320, 87924, 93096, 94860, 103440, 106888, 109905, 113832, 116370, 117232, 120249, 124128, 126480, 131886, 133610, 133920, 142290, 146540, 151776, 155160, 160332, 175848, 186192, 189720, 197829, 200415, 206880, 213776, 219810, 227137, 227664, 232740, 234464, 240498, 252960, 263772, 267220, 284580, 293080, 310320, 320664, 329715, 351696, 360747, 372384, 379440, 395658, 400830, 427552, 439620, 454274, 455328, 465480, 480996, 527544, 534440, 569160, 586160, 601245, 620640, 641328, 659430, 681411, 703392, 721494, 758880, 791316, 801660, 879240, 908548, 930960, 961992, 989145, 1055088, 1068880, 1135685, 1138320, 1172320, 1202490, 1282656, 1318860, 1362822, 1442988, 1582632, 1603320, 1758480, 1803735, 1817096, 1861920, 1923984, 1978290, 2044233, 2110176, 2137760, 2271370, 2276640, 2404980, 2637720, 2725644, 2885976, 3165264, 3206640, 3407055, 3516960, 3607470, 3634192, 3847968, 3956580, 4088466, 4542740, 4809960, 5275440, 5451288, 5771952, 6132699, 6330528, 6413280, 6814110, 7214940, 7268384, 7913160, 8176932, 9085480, 9619920, 10221165, 10550880, 10902576, 11543904, 12265398, 13628220, 14429880, 15826320, 16353864, 18170960, 19239840, 20442330, 21805152, 24530796, 27256440, 28859760, 30663495, 31652640, 32707728, 36341920, 40884660, 49061592, 54512880, 57719520, 61326990, 65415456, 81769320, 98123184, 109025760, 122653980, 163538640, 196246368, 245307960, 327077280, 490615920, 981231840]

約数ペア:

[(1, 981231840), (2, 490615920), (3, 327077280), (4, 245307960), (5, 196246368), (6, 163538640), (8, 122653980), (9, 109025760), (10, 98123184), (12, 81769320), (15, 65415456), (16, 61326990), (17, 57719520), (18, 54512880), (20, 49061592), (24, 40884660), (27, 36341920), (30, 32707728), (31, 31652640), (32, 30663495), (34, 28859760), (36, 27256440), (40, 24530796), (45, 21805152), (48, 20442330), (51, 19239840), (54, 18170960), (60, 16353864), (62, 15826320), (68, 14429880), (72, 13628220), (80, 12265398), (85, 11543904), (90, 10902576), (93, 10550880), (96, 10221165), (102, 9619920), (108, 9085480), (120, 8176932), (124, 7913160), (135, 7268384), (136, 7214940), (144, 6814110), (153, 6413280), (155, 6330528), (160, 6132699), (170, 5771952), (180, 5451288), (186, 5275440), (204, 4809960), (216, 4542740), (240, 4088466), (248, 3956580), (255, 3847968), (270, 3634192), (272, 3607470), (279, 3516960), (288, 3407055), (306, 3206640), (310, 3165264), (340, 2885976), (360, 2725644), (372, 2637720), (408, 2404980), (431, 2276640), (432, 2271370), (459, 2137760), (465, 2110176), (480, 2044233), (496, 1978290), (510, 1923984), (527, 1861920), (540, 1817096), (544, 1803735), (558, 1758480), (612, 1603320), (620, 1582632), (680, 1442988), (720, 1362822), (744, 1318860), (765, 1282656), (816, 1202490), (837, 1172320), (862, 1138320), (864, 1135685), (918, 1068880), (930, 1055088), (992, 989145), (1020, 961992), (1054, 930960), (1080, 908548), (1116, 879240), (1224, 801660), (1240, 791316), (1293, 758880), (1360, 721494), (1395, 703392), (1440, 681411), (1488, 659430), (1530, 641328), (1581, 620640), (1632, 601245), (1674, 586160), (1724, 569160), (1836, 534440), (1860, 527544), (2040, 480996), (2108, 465480), (2155, 455328), (2160, 454274), (2232, 439620), (2295, 427552), (2448, 400830), (2480, 395658), (2586, 379440), (2635, 372384), (2720, 360747), (2790, 351696), (2976, 329715), (3060, 320664), (3162, 310320), (3348, 293080), (3448, 284580), (3672, 267220), (3720, 263772), (3879, 252960), (4080, 240498), (4185, 234464), (4216, 232740), (4310, 227664), (4320, 227137), (4464, 219810), (4590, 213776), (4743, 206880), (4896, 200415), (4960, 197829), (5172, 189720), (5270, 186192), (5580, 175848), (6120, 160332), (6324, 155160), (6465, 151776), (6696, 146540), (6896, 142290), (7327, 133920), (7344, 133610), (7440, 131886), (7758, 126480), (7905, 124128), (8160, 120249), (8370, 117232), (8432, 116370), (8620, 113832), (8928, 109905), (9180, 106888), (9486, 103440), (10344, 94860), (10540, 93096), (11160, 87924), (11637, 84320), (12240, 80166), (12648, 77580), (12930, 75888), (13361, 73440), (13392, 73270), (13792, 71145), (14229, 68960), (14654, 66960), (14688, 66805), (14880, 65943), (15516, 63240), (15810, 62064), (16740, 58616), (16864, 58185), (17240, 56916), (18360, 53444), (18972, 51720), (19395, 50592), (20688, 47430), (21080, 46548), (21981, 44640), (22320, 43962), (23274, 42160), (23715, 41376), (24480, 40083), (25296, 38790), (25860, 37944), (26722, 36720), (26784, 36635), (28458, 34480), (29308, 33480), (31032, 31620)]