81712008

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 288100800

約数和(自身を除く): 206388792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 23, 24, 28, 36, 38, 42, 46, 49, 53, 56, 57, 63, 69, 72, 76, 84, 92, 98, 106, 114, 126, 133, 138, 147, 152, 159, 161, 168, 171, 184, 196, 207, 212, 228, 252, 266, 276, 294, 318, 322, 342, 371, 392, 399, 414, 424, 437, 441, 456, 477, 483, 504, 532, 552, 588, 636, 644, 684, 742, 798, 828, 874, 882, 931, 954, 966, 1007, 1064, 1113, 1127, 1176, 1197, 1219, 1272, 1288, 1311, 1368, 1449, 1484, 1596, 1656, 1748, 1764, 1862, 1908, 1932, 2014, 2226, 2254, 2394, 2438, 2597, 2622, 2793, 2898, 2968, 3021, 3059, 3192, 3339, 3381, 3496, 3528, 3657, 3724, 3816, 3864, 3933, 4028, 4452, 4508, 4788, 4876, 5194, 5244, 5586, 5796, 6042, 6118, 6678, 6762, 7049, 7314, 7448, 7791, 7866, 8056, 8379, 8533, 8904, 9016, 9063, 9177, 9576, 9752, 10143, 10388, 10488, 10971, 11172, 11592, 12084, 12236, 13356, 13524, 14098, 14628, 15582, 15732, 16758, 17066, 18126, 18354, 20286, 20776, 21147, 21413, 21942, 22344, 23161, 23373, 24168, 24472, 25599, 26712, 27048, 27531, 28196, 29256, 31164, 31464, 33516, 34132, 36252, 36708, 40572, 42294, 42826, 43884, 46322, 46746, 49343, 51198, 55062, 56392, 59731, 62328, 63441, 64239, 67032, 68264, 69483, 72504, 73416, 76797, 81144, 84588, 85652, 87768, 92644, 93492, 98686, 102396, 110124, 119462, 126882, 128478, 138966, 148029, 153594, 162127, 169176, 171304, 179193, 185288, 186984, 192717, 197372, 204792, 208449, 220248, 238924, 253764, 256956, 277932, 296058, 307188, 324254, 358386, 385434, 394744, 416898, 444087, 477848, 486381, 507528, 513912, 537579, 555864, 592116, 614376, 648508, 716772, 770868, 833796, 888174, 972762, 1075158, 1134889, 1184232, 1297016, 1433544, 1459143, 1541736, 1667592, 1776348, 1945524, 2150316, 2269778, 2918286, 3404667, 3552696, 3891048, 4300632, 4539556, 5836572, 6809334, 9079112, 10214001, 11673144, 13618668, 20428002, 27237336, 40856004, 81712008]

約数ペア:

[(1, 81712008), (2, 40856004), (3, 27237336), (4, 20428002), (6, 13618668), (7, 11673144), (8, 10214001), (9, 9079112), (12, 6809334), (14, 5836572), (18, 4539556), (19, 4300632), (21, 3891048), (23, 3552696), (24, 3404667), (28, 2918286), (36, 2269778), (38, 2150316), (42, 1945524), (46, 1776348), (49, 1667592), (53, 1541736), (56, 1459143), (57, 1433544), (63, 1297016), (69, 1184232), (72, 1134889), (76, 1075158), (84, 972762), (92, 888174), (98, 833796), (106, 770868), (114, 716772), (126, 648508), (133, 614376), (138, 592116), (147, 555864), (152, 537579), (159, 513912), (161, 507528), (168, 486381), (171, 477848), (184, 444087), (196, 416898), (207, 394744), (212, 385434), (228, 358386), (252, 324254), (266, 307188), (276, 296058), (294, 277932), (318, 256956), (322, 253764), (342, 238924), (371, 220248), (392, 208449), (399, 204792), (414, 197372), (424, 192717), (437, 186984), (441, 185288), (456, 179193), (477, 171304), (483, 169176), (504, 162127), (532, 153594), (552, 148029), (588, 138966), (636, 128478), (644, 126882), (684, 119462), (742, 110124), (798, 102396), (828, 98686), (874, 93492), (882, 92644), (931, 87768), (954, 85652), (966, 84588), (1007, 81144), (1064, 76797), (1113, 73416), (1127, 72504), (1176, 69483), (1197, 68264), (1219, 67032), (1272, 64239), (1288, 63441), (1311, 62328), (1368, 59731), (1449, 56392), (1484, 55062), (1596, 51198), (1656, 49343), (1748, 46746), (1764, 46322), (1862, 43884), (1908, 42826), (1932, 42294), (2014, 40572), (2226, 36708), (2254, 36252), (2394, 34132), (2438, 33516), (2597, 31464), (2622, 31164), (2793, 29256), (2898, 28196), (2968, 27531), (3021, 27048), (3059, 26712), (3192, 25599), (3339, 24472), (3381, 24168), (3496, 23373), (3528, 23161), (3657, 22344), (3724, 21942), (3816, 21413), (3864, 21147), (3933, 20776), (4028, 20286), (4452, 18354), (4508, 18126), (4788, 17066), (4876, 16758), (5194, 15732), (5244, 15582), (5586, 14628), (5796, 14098), (6042, 13524), (6118, 13356), (6678, 12236), (6762, 12084), (7049, 11592), (7314, 11172), (7448, 10971), (7791, 10488), (7866, 10388), (8056, 10143), (8379, 9752), (8533, 9576), (8904, 9177), (9016, 9063)]