28704720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 98993664

約数和(自身を除く): 70288944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 83, 88, 110, 120, 131, 132, 165, 166, 176, 220, 240, 249, 262, 264, 330, 332, 393, 415, 440, 498, 524, 528, 655, 660, 664, 786, 830, 880, 913, 996, 1048, 1245, 1310, 1320, 1328, 1441, 1572, 1660, 1826, 1965, 1992, 2096, 2490, 2620, 2640, 2739, 2882, 3144, 3320, 3652, 3930, 3984, 4323, 4565, 4980, 5240, 5478, 5764, 6288, 6640, 7205, 7304, 7860, 8646, 9130, 9960, 10480, 10873, 10956, 11528, 13695, 14410, 14608, 15720, 17292, 18260, 19920, 21615, 21746, 21912, 23056, 27390, 28820, 31440, 32619, 34584, 36520, 43230, 43492, 43824, 54365, 54780, 57640, 65238, 69168, 73040, 86460, 86984, 108730, 109560, 115280, 119603, 130476, 163095, 172920, 173968, 217460, 219120, 239206, 260952, 326190, 345840, 358809, 434920, 478412, 521904, 598015, 652380, 717618, 869840, 956824, 1196030, 1304760, 1435236, 1794045, 1913648, 2392060, 2609520, 2870472, 3588090, 4784120, 5740944, 7176180, 9568240, 14352360, 28704720]

約数ペア:

[(1, 28704720), (2, 14352360), (3, 9568240), (4, 7176180), (5, 5740944), (6, 4784120), (8, 3588090), (10, 2870472), (11, 2609520), (12, 2392060), (15, 1913648), (16, 1794045), (20, 1435236), (22, 1304760), (24, 1196030), (30, 956824), (33, 869840), (40, 717618), (44, 652380), (48, 598015), (55, 521904), (60, 478412), (66, 434920), (80, 358809), (83, 345840), (88, 326190), (110, 260952), (120, 239206), (131, 219120), (132, 217460), (165, 173968), (166, 172920), (176, 163095), (220, 130476), (240, 119603), (249, 115280), (262, 109560), (264, 108730), (330, 86984), (332, 86460), (393, 73040), (415, 69168), (440, 65238), (498, 57640), (524, 54780), (528, 54365), (655, 43824), (660, 43492), (664, 43230), (786, 36520), (830, 34584), (880, 32619), (913, 31440), (996, 28820), (1048, 27390), (1245, 23056), (1310, 21912), (1320, 21746), (1328, 21615), (1441, 19920), (1572, 18260), (1660, 17292), (1826, 15720), (1965, 14608), (1992, 14410), (2096, 13695), (2490, 11528), (2620, 10956), (2640, 10873), (2739, 10480), (2882, 9960), (3144, 9130), (3320, 8646), (3652, 7860), (3930, 7304), (3984, 7205), (4323, 6640), (4565, 6288), (4980, 5764), (5240, 5478)]