81950880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 304057152

約数和(自身を除く): 222106272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 83, 85, 88, 96, 102, 110, 120, 121, 132, 136, 160, 165, 166, 170, 176, 187, 204, 220, 240, 242, 249, 255, 264, 272, 330, 332, 340, 352, 363, 374, 408, 415, 440, 480, 484, 498, 510, 528, 544, 561, 605, 660, 664, 680, 726, 748, 816, 830, 880, 913, 935, 968, 996, 1020, 1056, 1122, 1210, 1245, 1320, 1328, 1360, 1411, 1452, 1496, 1632, 1660, 1760, 1815, 1826, 1870, 1936, 1992, 2040, 2057, 2244, 2420, 2490, 2640, 2656, 2720, 2739, 2805, 2822, 2904, 2992, 3320, 3630, 3652, 3740, 3872, 3984, 4080, 4114, 4233, 4488, 4565, 4840, 4980, 5280, 5478, 5610, 5644, 5808, 5984, 6171, 6640, 7055, 7260, 7304, 7480, 7968, 8160, 8228, 8466, 8976, 9130, 9680, 9960, 10043, 10285, 10956, 11220, 11288, 11616, 12342, 13280, 13695, 14110, 14520, 14608, 14960, 15521, 16456, 16932, 17952, 18260, 19360, 19920, 20086, 20570, 21165, 21912, 22440, 22576, 24684, 27390, 28220, 29040, 29216, 29920, 30129, 30855, 31042, 32912, 33864, 36520, 39840, 40172, 41140, 42330, 43824, 44880, 45152, 46563, 49368, 50215, 54780, 56440, 58080, 60258, 61710, 62084, 65824, 67728, 73040, 77605, 80344, 82280, 84660, 87648, 89760, 93126, 98736, 100430, 109560, 112880, 120516, 123420, 124168, 135456, 146080, 150645, 155210, 160688, 164560, 169320, 170731, 186252, 197472, 200860, 219120, 225760, 232815, 241032, 246840, 248336, 301290, 310420, 321376, 329120, 338640, 341462, 372504, 401720, 438240, 465630, 482064, 493680, 496672, 512193, 602580, 620840, 677280, 682924, 745008, 803440, 853655, 931260, 964128, 987360, 1024386, 1205160, 1241680, 1365848, 1490016, 1606880, 1707310, 1862520, 2048772, 2410320, 2483360, 2560965, 2731696, 3414620, 3725040, 4097544, 4820640, 5121930, 5463392, 6829240, 7450080, 8195088, 10243860, 13658480, 16390176, 20487720, 27316960, 40975440, 81950880]

約数ペア:

[(1, 81950880), (2, 40975440), (3, 27316960), (4, 20487720), (5, 16390176), (6, 13658480), (8, 10243860), (10, 8195088), (11, 7450080), (12, 6829240), (15, 5463392), (16, 5121930), (17, 4820640), (20, 4097544), (22, 3725040), (24, 3414620), (30, 2731696), (32, 2560965), (33, 2483360), (34, 2410320), (40, 2048772), (44, 1862520), (48, 1707310), (51, 1606880), (55, 1490016), (60, 1365848), (66, 1241680), (68, 1205160), (80, 1024386), (83, 987360), (85, 964128), (88, 931260), (96, 853655), (102, 803440), (110, 745008), (120, 682924), (121, 677280), (132, 620840), (136, 602580), (160, 512193), (165, 496672), (166, 493680), (170, 482064), (176, 465630), (187, 438240), (204, 401720), (220, 372504), (240, 341462), (242, 338640), (249, 329120), (255, 321376), (264, 310420), (272, 301290), (330, 248336), (332, 246840), (340, 241032), (352, 232815), (363, 225760), (374, 219120), (408, 200860), (415, 197472), (440, 186252), (480, 170731), (484, 169320), (498, 164560), (510, 160688), (528, 155210), (544, 150645), (561, 146080), (605, 135456), (660, 124168), (664, 123420), (680, 120516), (726, 112880), (748, 109560), (816, 100430), (830, 98736), (880, 93126), (913, 89760), (935, 87648), (968, 84660), (996, 82280), (1020, 80344), (1056, 77605), (1122, 73040), (1210, 67728), (1245, 65824), (1320, 62084), (1328, 61710), (1360, 60258), (1411, 58080), (1452, 56440), (1496, 54780), (1632, 50215), (1660, 49368), (1760, 46563), (1815, 45152), (1826, 44880), (1870, 43824), (1936, 42330), (1992, 41140), (2040, 40172), (2057, 39840), (2244, 36520), (2420, 33864), (2490, 32912), (2640, 31042), (2656, 30855), (2720, 30129), (2739, 29920), (2805, 29216), (2822, 29040), (2904, 28220), (2992, 27390), (3320, 24684), (3630, 22576), (3652, 22440), (3740, 21912), (3872, 21165), (3984, 20570), (4080, 20086), (4114, 19920), (4233, 19360), (4488, 18260), (4565, 17952), (4840, 16932), (4980, 16456), (5280, 15521), (5478, 14960), (5610, 14608), (5644, 14520), (5808, 14110), (5984, 13695), (6171, 13280), (6640, 12342), (7055, 11616), (7260, 11288), (7304, 11220), (7480, 10956), (7968, 10285), (8160, 10043), (8228, 9960), (8466, 9680), (8976, 9130)]