991815840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:873

約数の個数: 240

約数和(自身を含む): 3539023488

約数和(自身を除く): 2547207648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 103, 108, 120, 135, 144, 160, 162, 180, 206, 216, 240, 270, 288, 309, 324, 360, 405, 412, 432, 480, 515, 540, 618, 648, 720, 743, 810, 824, 864, 927, 1030, 1080, 1236, 1296, 1440, 1486, 1545, 1620, 1648, 1854, 2060, 2160, 2229, 2472, 2592, 2781, 2972, 3090, 3240, 3296, 3708, 3715, 4120, 4320, 4458, 4635, 4944, 5562, 5944, 6180, 6480, 6687, 7416, 7430, 8240, 8343, 8916, 9270, 9888, 11124, 11145, 11888, 12360, 12960, 13374, 13905, 14832, 14860, 16480, 16686, 17832, 18540, 20061, 22248, 22290, 23776, 24720, 26748, 27810, 29664, 29720, 33372, 33435, 35664, 37080, 40122, 41715, 44496, 44580, 49440, 53496, 55620, 59440, 60183, 66744, 66870, 71328, 74160, 76529, 80244, 83430, 88992, 89160, 100305, 106992, 111240, 118880, 120366, 133488, 133740, 148320, 153058, 160488, 166860, 178320, 200610, 213984, 222480, 229587, 240732, 266976, 267480, 300915, 306116, 320976, 333720, 356640, 382645, 401220, 444960, 459174, 481464, 534960, 601830, 612232, 641952, 667440, 688761, 765290, 802440, 918348, 962928, 1069920, 1147935, 1203660, 1224464, 1334880, 1377522, 1530580, 1604880, 1836696, 1925856, 2066283, 2295870, 2407320, 2448928, 2755044, 3061160, 3209760, 3443805, 3673392, 4132566, 4591740, 4814640, 5510088, 6122320, 6198849, 6887610, 7346784, 8265132, 9183480, 9629280, 10331415, 11020176, 12244640, 12397698, 13775220, 16530264, 18366960, 20662830, 22040352, 24795396, 27550440, 30994245, 33060528, 36733920, 41325660, 49590792, 55100880, 61988490, 66121056, 82651320, 99181584, 110201760, 123976980, 165302640, 198363168, 247953960, 330605280, 495907920, 991815840]

約数ペア:

[(1, 991815840), (2, 495907920), (3, 330605280), (4, 247953960), (5, 198363168), (6, 165302640), (8, 123976980), (9, 110201760), (10, 99181584), (12, 82651320), (15, 66121056), (16, 61988490), (18, 55100880), (20, 49590792), (24, 41325660), (27, 36733920), (30, 33060528), (32, 30994245), (36, 27550440), (40, 24795396), (45, 22040352), (48, 20662830), (54, 18366960), (60, 16530264), (72, 13775220), (80, 12397698), (81, 12244640), (90, 11020176), (96, 10331415), (103, 9629280), (108, 9183480), (120, 8265132), (135, 7346784), (144, 6887610), (160, 6198849), (162, 6122320), (180, 5510088), (206, 4814640), (216, 4591740), (240, 4132566), (270, 3673392), (288, 3443805), (309, 3209760), (324, 3061160), (360, 2755044), (405, 2448928), (412, 2407320), (432, 2295870), (480, 2066283), (515, 1925856), (540, 1836696), (618, 1604880), (648, 1530580), (720, 1377522), (743, 1334880), (810, 1224464), (824, 1203660), (864, 1147935), (927, 1069920), (1030, 962928), (1080, 918348), (1236, 802440), (1296, 765290), (1440, 688761), (1486, 667440), (1545, 641952), (1620, 612232), (1648, 601830), (1854, 534960), (2060, 481464), (2160, 459174), (2229, 444960), (2472, 401220), (2592, 382645), (2781, 356640), (2972, 333720), (3090, 320976), (3240, 306116), (3296, 300915), (3708, 267480), (3715, 266976), (4120, 240732), (4320, 229587), (4458, 222480), (4635, 213984), (4944, 200610), (5562, 178320), (5944, 166860), (6180, 160488), (6480, 153058), (6687, 148320), (7416, 133740), (7430, 133488), (8240, 120366), (8343, 118880), (8916, 111240), (9270, 106992), (9888, 100305), (11124, 89160), (11145, 88992), (11888, 83430), (12360, 80244), (12960, 76529), (13374, 74160), (13905, 71328), (14832, 66870), (14860, 66744), (16480, 60183), (16686, 59440), (17832, 55620), (18540, 53496), (20061, 49440), (22248, 44580), (22290, 44496), (23776, 41715), (24720, 40122), (26748, 37080), (27810, 35664), (29664, 33435), (29720, 33372)]