61991520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 211631616

約数和(自身を除く): 149640096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 71, 80, 85, 96, 102, 107, 120, 136, 142, 160, 170, 204, 213, 214, 240, 255, 272, 284, 321, 340, 355, 408, 426, 428, 480, 510, 535, 544, 568, 642, 680, 710, 816, 852, 856, 1020, 1065, 1070, 1136, 1207, 1284, 1360, 1420, 1605, 1632, 1704, 1712, 1819, 2040, 2130, 2140, 2272, 2414, 2568, 2720, 2840, 3210, 3408, 3424, 3621, 3638, 4080, 4260, 4280, 4828, 5136, 5457, 5680, 6035, 6420, 6816, 7242, 7276, 7597, 8160, 8520, 8560, 9095, 9656, 10272, 10914, 11360, 12070, 12840, 14484, 14552, 15194, 17040, 17120, 18105, 18190, 19312, 21828, 22791, 24140, 25680, 27285, 28968, 29104, 30388, 34080, 36210, 36380, 37985, 38624, 43656, 45582, 48280, 51360, 54570, 57936, 58208, 60776, 72420, 72760, 75970, 87312, 91164, 96560, 109140, 113955, 115872, 121552, 129149, 144840, 145520, 151940, 174624, 182328, 193120, 218280, 227910, 243104, 258298, 289680, 291040, 303880, 364656, 387447, 436560, 455820, 516596, 579360, 607760, 645745, 729312, 774894, 873120, 911640, 1033192, 1215520, 1291490, 1549788, 1823280, 1937235, 2066384, 2582980, 3099576, 3646560, 3874470, 4132768, 5165960, 6199152, 7748940, 10331920, 12398304, 15497880, 20663840, 30995760, 61991520]

約数ペア:

[(1, 61991520), (2, 30995760), (3, 20663840), (4, 15497880), (5, 12398304), (6, 10331920), (8, 7748940), (10, 6199152), (12, 5165960), (15, 4132768), (16, 3874470), (17, 3646560), (20, 3099576), (24, 2582980), (30, 2066384), (32, 1937235), (34, 1823280), (40, 1549788), (48, 1291490), (51, 1215520), (60, 1033192), (68, 911640), (71, 873120), (80, 774894), (85, 729312), (96, 645745), (102, 607760), (107, 579360), (120, 516596), (136, 455820), (142, 436560), (160, 387447), (170, 364656), (204, 303880), (213, 291040), (214, 289680), (240, 258298), (255, 243104), (272, 227910), (284, 218280), (321, 193120), (340, 182328), (355, 174624), (408, 151940), (426, 145520), (428, 144840), (480, 129149), (510, 121552), (535, 115872), (544, 113955), (568, 109140), (642, 96560), (680, 91164), (710, 87312), (816, 75970), (852, 72760), (856, 72420), (1020, 60776), (1065, 58208), (1070, 57936), (1136, 54570), (1207, 51360), (1284, 48280), (1360, 45582), (1420, 43656), (1605, 38624), (1632, 37985), (1704, 36380), (1712, 36210), (1819, 34080), (2040, 30388), (2130, 29104), (2140, 28968), (2272, 27285), (2414, 25680), (2568, 24140), (2720, 22791), (2840, 21828), (3210, 19312), (3408, 18190), (3424, 18105), (3621, 17120), (3638, 17040), (4080, 15194), (4260, 14552), (4280, 14484), (4828, 12840), (5136, 12070), (5457, 11360), (5680, 10914), (6035, 10272), (6420, 9656), (6816, 9095), (7242, 8560), (7276, 8520), (7597, 8160)]