81297504

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 166368096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 83, 96, 114, 144, 152, 166, 171, 179, 228, 249, 288, 304, 332, 342, 358, 456, 498, 537, 608, 664, 684, 716, 747, 912, 996, 1074, 1328, 1368, 1432, 1494, 1577, 1611, 1824, 1992, 2148, 2656, 2736, 2864, 2988, 3154, 3222, 3401, 3984, 4296, 4731, 5472, 5728, 5976, 6308, 6444, 6802, 7968, 8592, 9462, 10203, 11952, 12616, 12888, 13604, 14193, 14857, 17184, 18924, 20406, 23904, 25232, 25776, 27208, 28386, 29714, 30609, 37848, 40812, 44571, 50464, 51552, 54416, 56772, 59428, 61218, 75696, 81624, 89142, 108832, 113544, 118856, 122436, 133713, 151392, 163248, 178284, 227088, 237712, 244872, 267426, 282283, 326496, 356568, 454176, 475424, 489744, 534852, 564566, 713136, 846849, 979488, 1069704, 1129132, 1426272, 1693698, 2139408, 2258264, 2540547, 3387396, 4278816, 4516528, 5081094, 6774792, 9033056, 10162188, 13549584, 20324376, 27099168, 40648752, 81297504]

約数ペア:

[(1, 81297504), (2, 40648752), (3, 27099168), (4, 20324376), (6, 13549584), (8, 10162188), (9, 9033056), (12, 6774792), (16, 5081094), (18, 4516528), (19, 4278816), (24, 3387396), (32, 2540547), (36, 2258264), (38, 2139408), (48, 1693698), (57, 1426272), (72, 1129132), (76, 1069704), (83, 979488), (96, 846849), (114, 713136), (144, 564566), (152, 534852), (166, 489744), (171, 475424), (179, 454176), (228, 356568), (249, 326496), (288, 282283), (304, 267426), (332, 244872), (342, 237712), (358, 227088), (456, 178284), (498, 163248), (537, 151392), (608, 133713), (664, 122436), (684, 118856), (716, 113544), (747, 108832), (912, 89142), (996, 81624), (1074, 75696), (1328, 61218), (1368, 59428), (1432, 56772), (1494, 54416), (1577, 51552), (1611, 50464), (1824, 44571), (1992, 40812), (2148, 37848), (2656, 30609), (2736, 29714), (2864, 28386), (2988, 27208), (3154, 25776), (3222, 25232), (3401, 23904), (3984, 20406), (4296, 18924), (4731, 17184), (5472, 14857), (5728, 14193), (5976, 13604), (6308, 12888), (6444, 12616), (6802, 11952), (7968, 10203), (8592, 9462)]