81023360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 224065440

約数和(自身を除く): 143042080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 677, 680, 704, 748, 880, 935, 1088, 1354, 1360, 1408, 1496, 1760, 1870, 2176, 2708, 2720, 2992, 3385, 3520, 3740, 5416, 5440, 5984, 6770, 7040, 7447, 7480, 10832, 10880, 11509, 11968, 13540, 14894, 14960, 21664, 23018, 23936, 27080, 29788, 29920, 37235, 43328, 46036, 54160, 57545, 59576, 59840, 74470, 86656, 92072, 108320, 115090, 119152, 119680, 126599, 148940, 184144, 216640, 230180, 238304, 253198, 297880, 368288, 433280, 460360, 476608, 506396, 595760, 632995, 736576, 920720, 953216, 1012792, 1191520, 1265990, 1473152, 1841440, 2025584, 2383040, 2531980, 3682880, 4051168, 4766080, 5063960, 7365760, 8102336, 10127920, 16204672, 20255840, 40511680, 81023360]

約数ペア:

[(1, 81023360), (2, 40511680), (4, 20255840), (5, 16204672), (8, 10127920), (10, 8102336), (11, 7365760), (16, 5063960), (17, 4766080), (20, 4051168), (22, 3682880), (32, 2531980), (34, 2383040), (40, 2025584), (44, 1841440), (55, 1473152), (64, 1265990), (68, 1191520), (80, 1012792), (85, 953216), (88, 920720), (110, 736576), (128, 632995), (136, 595760), (160, 506396), (170, 476608), (176, 460360), (187, 433280), (220, 368288), (272, 297880), (320, 253198), (340, 238304), (352, 230180), (374, 216640), (440, 184144), (544, 148940), (640, 126599), (677, 119680), (680, 119152), (704, 115090), (748, 108320), (880, 92072), (935, 86656), (1088, 74470), (1354, 59840), (1360, 59576), (1408, 57545), (1496, 54160), (1760, 46036), (1870, 43328), (2176, 37235), (2708, 29920), (2720, 29788), (2992, 27080), (3385, 23936), (3520, 23018), (3740, 21664), (5416, 14960), (5440, 14894), (5984, 13540), (6770, 11968), (7040, 11509), (7447, 10880), (7480, 10832)]