1911975840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4759}}^1$

素因数の和:4817

約数の個数: 240

約数和(自身を含む): 6966812160

約数和(自身を除く): 5054836320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3240, 3348, 3720, 4185, 4320, 4464, 4759, 4960, 5022, 5580, 6480, 6696, 7440, 8370, 8928, 9518, 10044, 11160, 12555, 12960, 13392, 14277, 14880, 16740, 19036, 20088, 22320, 23795, 25110, 26784, 28554, 33480, 38072, 40176, 42831, 44640, 47590, 50220, 57108, 66960, 71385, 76144, 80352, 85662, 95180, 100440, 114216, 128493, 133920, 142770, 147529, 152288, 171324, 190360, 200880, 214155, 228432, 256986, 285540, 295058, 342648, 380720, 385479, 401760, 428310, 442587, 456864, 513972, 571080, 590116, 642465, 685296, 737645, 761440, 770958, 856620, 885174, 1027944, 1142160, 1180232, 1284930, 1327761, 1370592, 1475290, 1541916, 1713240, 1770348, 1927395, 2055888, 2212935, 2284320, 2360464, 2569860, 2655522, 2950580, 3083832, 3426480, 3540696, 3854790, 3983283, 4111776, 4425870, 4720928, 5139720, 5311044, 5901160, 6167664, 6638805, 6852960, 7081392, 7709580, 7966566, 8851740, 10279440, 10622088, 11802320, 11949849, 12335328, 13277610, 14162784, 15419160, 15933132, 17703480, 19916415, 20558880, 21244176, 23604640, 23899698, 26555220, 30838320, 31866264, 35406960, 39832830, 42488352, 47799396, 53110440, 59749245, 61676640, 63732528, 70813920, 79665660, 95598792, 106220880, 119498490, 127465056, 159331320, 191197584, 212441760, 238996980, 318662640, 382395168, 477993960, 637325280, 955987920, 1911975840]

約数ペア:

[(1, 1911975840), (2, 955987920), (3, 637325280), (4, 477993960), (5, 382395168), (6, 318662640), (8, 238996980), (9, 212441760), (10, 191197584), (12, 159331320), (15, 127465056), (16, 119498490), (18, 106220880), (20, 95598792), (24, 79665660), (27, 70813920), (30, 63732528), (31, 61676640), (32, 59749245), (36, 53110440), (40, 47799396), (45, 42488352), (48, 39832830), (54, 35406960), (60, 31866264), (62, 30838320), (72, 26555220), (80, 23899698), (81, 23604640), (90, 21244176), (93, 20558880), (96, 19916415), (108, 17703480), (120, 15933132), (124, 15419160), (135, 14162784), (144, 13277610), (155, 12335328), (160, 11949849), (162, 11802320), (180, 10622088), (186, 10279440), (216, 8851740), (240, 7966566), (248, 7709580), (270, 7081392), (279, 6852960), (288, 6638805), (310, 6167664), (324, 5901160), (360, 5311044), (372, 5139720), (405, 4720928), (432, 4425870), (465, 4111776), (480, 3983283), (496, 3854790), (540, 3540696), (558, 3426480), (620, 3083832), (648, 2950580), (720, 2655522), (744, 2569860), (810, 2360464), (837, 2284320), (864, 2212935), (930, 2055888), (992, 1927395), (1080, 1770348), (1116, 1713240), (1240, 1541916), (1296, 1475290), (1395, 1370592), (1440, 1327761), (1488, 1284930), (1620, 1180232), (1674, 1142160), (1860, 1027944), (2160, 885174), (2232, 856620), (2480, 770958), (2511, 761440), (2592, 737645), (2790, 685296), (2976, 642465), (3240, 590116), (3348, 571080), (3720, 513972), (4185, 456864), (4320, 442587), (4464, 428310), (4759, 401760), (4960, 385479), (5022, 380720), (5580, 342648), (6480, 295058), (6696, 285540), (7440, 256986), (8370, 228432), (8928, 214155), (9518, 200880), (10044, 190360), (11160, 171324), (12555, 152288), (12960, 147529), (13392, 142770), (14277, 133920), (14880, 128493), (16740, 114216), (19036, 100440), (20088, 95180), (22320, 85662), (23795, 80352), (25110, 76144), (26784, 71385), (28554, 66960), (33480, 57108), (38072, 50220), (40176, 47590), (42831, 44640)]