81468420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 270418176

約数和(自身を除く): 188949756

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 53, 55, 60, 66, 68, 85, 102, 106, 110, 132, 137, 159, 165, 170, 187, 204, 212, 220, 255, 265, 274, 318, 330, 340, 374, 411, 510, 530, 548, 561, 583, 636, 660, 685, 748, 795, 822, 901, 935, 1020, 1060, 1122, 1166, 1370, 1507, 1590, 1644, 1749, 1802, 1870, 2055, 2244, 2329, 2332, 2703, 2740, 2805, 2915, 3014, 3180, 3498, 3604, 3740, 4110, 4505, 4521, 4658, 5406, 5610, 5830, 6028, 6987, 6996, 7261, 7535, 8220, 8745, 9010, 9042, 9316, 9911, 10812, 11220, 11645, 11660, 13515, 13974, 14522, 15070, 17490, 18020, 18084, 19822, 21783, 22605, 23290, 25619, 27030, 27948, 29044, 29733, 30140, 34935, 34980, 36305, 39644, 43566, 45210, 46580, 49555, 51238, 54060, 59466, 69870, 72610, 76857, 79871, 87132, 90420, 99110, 102476, 108915, 118932, 123437, 128095, 139740, 145220, 148665, 153714, 159742, 198220, 217830, 239613, 246874, 256190, 297330, 307428, 319484, 370311, 384285, 399355, 435660, 479226, 493748, 512380, 594660, 617185, 740622, 768570, 798710, 958452, 1198065, 1234370, 1357807, 1481244, 1537140, 1597420, 1851555, 2396130, 2468740, 2715614, 3703110, 4073421, 4792260, 5431228, 6789035, 7406220, 8146842, 13578070, 16293684, 20367105, 27156140, 40734210, 81468420]

約数ペア:

[(1, 81468420), (2, 40734210), (3, 27156140), (4, 20367105), (5, 16293684), (6, 13578070), (10, 8146842), (11, 7406220), (12, 6789035), (15, 5431228), (17, 4792260), (20, 4073421), (22, 3703110), (30, 2715614), (33, 2468740), (34, 2396130), (44, 1851555), (51, 1597420), (53, 1537140), (55, 1481244), (60, 1357807), (66, 1234370), (68, 1198065), (85, 958452), (102, 798710), (106, 768570), (110, 740622), (132, 617185), (137, 594660), (159, 512380), (165, 493748), (170, 479226), (187, 435660), (204, 399355), (212, 384285), (220, 370311), (255, 319484), (265, 307428), (274, 297330), (318, 256190), (330, 246874), (340, 239613), (374, 217830), (411, 198220), (510, 159742), (530, 153714), (548, 148665), (561, 145220), (583, 139740), (636, 128095), (660, 123437), (685, 118932), (748, 108915), (795, 102476), (822, 99110), (901, 90420), (935, 87132), (1020, 79871), (1060, 76857), (1122, 72610), (1166, 69870), (1370, 59466), (1507, 54060), (1590, 51238), (1644, 49555), (1749, 46580), (1802, 45210), (1870, 43566), (2055, 39644), (2244, 36305), (2329, 34980), (2332, 34935), (2703, 30140), (2740, 29733), (2805, 29044), (2915, 27948), (3014, 27030), (3180, 25619), (3498, 23290), (3604, 22605), (3740, 21783), (4110, 19822), (4505, 18084), (4521, 18020), (4658, 17490), (5406, 15070), (5610, 14522), (5830, 13974), (6028, 13515), (6987, 11660), (6996, 11645), (7261, 11220), (7535, 10812), (8220, 9911), (8745, 9316), (9010, 9042)]