181972980

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1817

約数の個数: 168

約数和(自身を含む): 655170432

約数和(自身を除く): 473197452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1783, 1890, 2268, 2430, 2835, 2916, 3402, 3566, 3645, 3780, 4860, 5103, 5349, 5670, 6804, 7132, 7290, 8505, 8915, 10206, 10698, 11340, 12481, 14580, 16047, 17010, 17830, 20412, 21396, 24962, 25515, 26745, 32094, 34020, 35660, 37443, 48141, 49924, 51030, 53490, 62405, 64188, 74886, 80235, 96282, 102060, 106980, 112329, 124810, 144423, 149772, 160470, 187215, 192564, 224658, 240705, 249620, 288846, 320940, 336987, 374430, 433269, 449316, 481410, 561645, 577692, 673974, 722115, 748860, 866538, 962820, 1010961, 1123290, 1299807, 1347948, 1444230, 1684935, 1733076, 2021922, 2166345, 2246580, 2599614, 2888460, 3032883, 3369870, 4043844, 4332690, 5054805, 5199228, 6065766, 6499035, 6739740, 8665380, 9098649, 10109610, 12131532, 12998070, 15164415, 18197298, 20219220, 25996140, 30328830, 36394596, 45493245, 60657660, 90986490, 181972980]

約数ペア:

[(1, 181972980), (2, 90986490), (3, 60657660), (4, 45493245), (5, 36394596), (6, 30328830), (7, 25996140), (9, 20219220), (10, 18197298), (12, 15164415), (14, 12998070), (15, 12131532), (18, 10109610), (20, 9098649), (21, 8665380), (27, 6739740), (28, 6499035), (30, 6065766), (35, 5199228), (36, 5054805), (42, 4332690), (45, 4043844), (54, 3369870), (60, 3032883), (63, 2888460), (70, 2599614), (81, 2246580), (84, 2166345), (90, 2021922), (105, 1733076), (108, 1684935), (126, 1444230), (135, 1347948), (140, 1299807), (162, 1123290), (180, 1010961), (189, 962820), (210, 866538), (243, 748860), (252, 722115), (270, 673974), (315, 577692), (324, 561645), (378, 481410), (405, 449316), (420, 433269), (486, 374430), (540, 336987), (567, 320940), (630, 288846), (729, 249620), (756, 240705), (810, 224658), (945, 192564), (972, 187215), (1134, 160470), (1215, 149772), (1260, 144423), (1458, 124810), (1620, 112329), (1701, 106980), (1783, 102060), (1890, 96282), (2268, 80235), (2430, 74886), (2835, 64188), (2916, 62405), (3402, 53490), (3566, 51030), (3645, 49924), (3780, 48141), (4860, 37443), (5103, 35660), (5349, 34020), (5670, 32094), (6804, 26745), (7132, 25515), (7290, 24962), (8505, 21396), (8915, 20412), (10206, 17830), (10698, 17010), (11340, 16047), (12481, 14580)]