121315320

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1816

約数の個数: 192

約数和(自身を含む): 467550720

約数和(自身を除く): 346235400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1783, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3566, 3780, 4536, 4860, 5349, 5670, 6804, 7132, 7560, 8505, 8915, 9720, 10698, 11340, 12481, 13608, 14264, 16047, 17010, 17830, 21396, 22680, 24962, 26745, 32094, 34020, 35660, 37443, 42792, 48141, 49924, 53490, 62405, 64188, 68040, 71320, 74886, 80235, 96282, 99848, 106980, 112329, 124810, 128376, 144423, 149772, 160470, 187215, 192564, 213960, 224658, 240705, 249620, 288846, 299544, 320940, 336987, 374430, 385128, 433269, 449316, 481410, 499240, 561645, 577692, 641880, 673974, 722115, 748860, 866538, 898632, 962820, 1010961, 1123290, 1155384, 1347948, 1444230, 1497720, 1684935, 1733076, 1925640, 2021922, 2166345, 2246580, 2695896, 2888460, 3032883, 3369870, 3466152, 4043844, 4332690, 4493160, 5054805, 5776920, 6065766, 6739740, 8087688, 8665380, 10109610, 12131532, 13479480, 15164415, 17330760, 20219220, 24263064, 30328830, 40438440, 60657660, 121315320]

約数ペア:

[(1, 121315320), (2, 60657660), (3, 40438440), (4, 30328830), (5, 24263064), (6, 20219220), (7, 17330760), (8, 15164415), (9, 13479480), (10, 12131532), (12, 10109610), (14, 8665380), (15, 8087688), (18, 6739740), (20, 6065766), (21, 5776920), (24, 5054805), (27, 4493160), (28, 4332690), (30, 4043844), (35, 3466152), (36, 3369870), (40, 3032883), (42, 2888460), (45, 2695896), (54, 2246580), (56, 2166345), (60, 2021922), (63, 1925640), (70, 1733076), (72, 1684935), (81, 1497720), (84, 1444230), (90, 1347948), (105, 1155384), (108, 1123290), (120, 1010961), (126, 962820), (135, 898632), (140, 866538), (162, 748860), (168, 722115), (180, 673974), (189, 641880), (210, 577692), (216, 561645), (243, 499240), (252, 481410), (270, 449316), (280, 433269), (315, 385128), (324, 374430), (360, 336987), (378, 320940), (405, 299544), (420, 288846), (486, 249620), (504, 240705), (540, 224658), (567, 213960), (630, 192564), (648, 187215), (756, 160470), (810, 149772), (840, 144423), (945, 128376), (972, 124810), (1080, 112329), (1134, 106980), (1215, 99848), (1260, 96282), (1512, 80235), (1620, 74886), (1701, 71320), (1783, 68040), (1890, 64188), (1944, 62405), (2268, 53490), (2430, 49924), (2520, 48141), (2835, 42792), (3240, 37443), (3402, 35660), (3566, 34020), (3780, 32094), (4536, 26745), (4860, 24962), (5349, 22680), (5670, 21396), (6804, 17830), (7132, 17010), (7560, 16047), (8505, 14264), (8915, 13608), (9720, 12481), (10698, 11340)]