261191520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 924618240

約数和(自身を除く): 663426720

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, 90, 96, 103, 108, 120, 135, 144, 160, 180, 206, 216, 240, 270, 288, 309, 360, 412, 432, 480, 515, 540, 587, 618, 720, 824, 864, 927, 1030, 1080, 1174, 1236, 1440, 1545, 1648, 1761, 1854, 2060, 2160, 2348, 2472, 2781, 2935, 3090, 3296, 3522, 3708, 4120, 4320, 4635, 4696, 4944, 5283, 5562, 5870, 6180, 7044, 7416, 8240, 8805, 9270, 9392, 9888, 10566, 11124, 11740, 12360, 13905, 14088, 14832, 15849, 16480, 17610, 18540, 18784, 21132, 22248, 23480, 24720, 26415, 27810, 28176, 29664, 31698, 35220, 37080, 42264, 44496, 46960, 49440, 52830, 55620, 56352, 60461, 63396, 70440, 74160, 79245, 84528, 88992, 93920, 105660, 111240, 120922, 126792, 140880, 148320, 158490, 169056, 181383, 211320, 222480, 241844, 253584, 281760, 302305, 316980, 362766, 422640, 444960, 483688, 507168, 544149, 604610, 633960, 725532, 845280, 906915, 967376, 1088298, 1209220, 1267920, 1451064, 1632447, 1813830, 1934752, 2176596, 2418440, 2535840, 2720745, 2902128, 3264894, 3627660, 4353192, 4836880, 5441490, 5804256, 6529788, 7255320, 8162235, 8706384, 9673760, 10882980, 13059576, 14510640, 16324470, 17412768, 21765960, 26119152, 29021280, 32648940, 43531920, 52238304, 65297880, 87063840, 130595760, 261191520]

約数ペア:

[(1, 261191520), (2, 130595760), (3, 87063840), (4, 65297880), (5, 52238304), (6, 43531920), (8, 32648940), (9, 29021280), (10, 26119152), (12, 21765960), (15, 17412768), (16, 16324470), (18, 14510640), (20, 13059576), (24, 10882980), (27, 9673760), (30, 8706384), (32, 8162235), (36, 7255320), (40, 6529788), (45, 5804256), (48, 5441490), (54, 4836880), (60, 4353192), (72, 3627660), (80, 3264894), (90, 2902128), (96, 2720745), (103, 2535840), (108, 2418440), (120, 2176596), (135, 1934752), (144, 1813830), (160, 1632447), (180, 1451064), (206, 1267920), (216, 1209220), (240, 1088298), (270, 967376), (288, 906915), (309, 845280), (360, 725532), (412, 633960), (432, 604610), (480, 544149), (515, 507168), (540, 483688), (587, 444960), (618, 422640), (720, 362766), (824, 316980), (864, 302305), (927, 281760), (1030, 253584), (1080, 241844), (1174, 222480), (1236, 211320), (1440, 181383), (1545, 169056), (1648, 158490), (1761, 148320), (1854, 140880), (2060, 126792), (2160, 120922), (2348, 111240), (2472, 105660), (2781, 93920), (2935, 88992), (3090, 84528), (3296, 79245), (3522, 74160), (3708, 70440), (4120, 63396), (4320, 60461), (4635, 56352), (4696, 55620), (4944, 52830), (5283, 49440), (5562, 46960), (5870, 44496), (6180, 42264), (7044, 37080), (7416, 35220), (8240, 31698), (8805, 29664), (9270, 28176), (9392, 27810), (9888, 26415), (10566, 24720), (11124, 23480), (11740, 22248), (12360, 21132), (13905, 18784), (14088, 18540), (14832, 17610), (15849, 16480)]