81188940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 280433664

約数和(自身を除く): 199244724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 83, 84, 85, 102, 105, 119, 137, 140, 166, 170, 204, 210, 238, 249, 255, 274, 332, 340, 357, 411, 415, 420, 476, 498, 510, 548, 581, 595, 685, 714, 822, 830, 959, 996, 1020, 1162, 1190, 1245, 1370, 1411, 1428, 1644, 1660, 1743, 1785, 1918, 2055, 2324, 2329, 2380, 2490, 2740, 2822, 2877, 2905, 3486, 3570, 3836, 4110, 4233, 4658, 4795, 4980, 5644, 5754, 5810, 6972, 6987, 7055, 7140, 8220, 8466, 8715, 9316, 9590, 9877, 11371, 11508, 11620, 11645, 13974, 14110, 14385, 16303, 16932, 17430, 19180, 19754, 21165, 22742, 23290, 27948, 28220, 28770, 29631, 32606, 34113, 34860, 34935, 39508, 42330, 45484, 46580, 48909, 49385, 56855, 57540, 59262, 65212, 68226, 69870, 79597, 81515, 84660, 97818, 98770, 113710, 118524, 136452, 139740, 148155, 159194, 163030, 170565, 193307, 195636, 197540, 227420, 238791, 244545, 296310, 318388, 326060, 341130, 386614, 397985, 477582, 489090, 579921, 592620, 682260, 773228, 795970, 955164, 966535, 978180, 1159842, 1193955, 1353149, 1591940, 1933070, 2319684, 2387910, 2706298, 2899605, 3866140, 4059447, 4775820, 5412596, 5799210, 6765745, 8118894, 11598420, 13531490, 16237788, 20297235, 27062980, 40594470, 81188940]

約数ペア:

[(1, 81188940), (2, 40594470), (3, 27062980), (4, 20297235), (5, 16237788), (6, 13531490), (7, 11598420), (10, 8118894), (12, 6765745), (14, 5799210), (15, 5412596), (17, 4775820), (20, 4059447), (21, 3866140), (28, 2899605), (30, 2706298), (34, 2387910), (35, 2319684), (42, 1933070), (51, 1591940), (60, 1353149), (68, 1193955), (70, 1159842), (83, 978180), (84, 966535), (85, 955164), (102, 795970), (105, 773228), (119, 682260), (137, 592620), (140, 579921), (166, 489090), (170, 477582), (204, 397985), (210, 386614), (238, 341130), (249, 326060), (255, 318388), (274, 296310), (332, 244545), (340, 238791), (357, 227420), (411, 197540), (415, 195636), (420, 193307), (476, 170565), (498, 163030), (510, 159194), (548, 148155), (581, 139740), (595, 136452), (685, 118524), (714, 113710), (822, 98770), (830, 97818), (959, 84660), (996, 81515), (1020, 79597), (1162, 69870), (1190, 68226), (1245, 65212), (1370, 59262), (1411, 57540), (1428, 56855), (1644, 49385), (1660, 48909), (1743, 46580), (1785, 45484), (1918, 42330), (2055, 39508), (2324, 34935), (2329, 34860), (2380, 34113), (2490, 32606), (2740, 29631), (2822, 28770), (2877, 28220), (2905, 27948), (3486, 23290), (3570, 22742), (3836, 21165), (4110, 19754), (4233, 19180), (4658, 17430), (4795, 16932), (4980, 16303), (5644, 14385), (5754, 14110), (5810, 13974), (6972, 11645), (6987, 11620), (7055, 11508), (7140, 11371), (8220, 9877), (8466, 9590), (8715, 9316)]