51327320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 134369280

約数和(自身を除く): 83041960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 53, 55, 62, 71, 88, 106, 110, 124, 142, 155, 212, 220, 248, 265, 284, 310, 341, 355, 424, 440, 530, 568, 583, 620, 682, 710, 781, 1060, 1166, 1240, 1364, 1420, 1562, 1643, 1705, 2120, 2201, 2332, 2728, 2840, 2915, 3124, 3286, 3410, 3763, 3905, 4402, 4664, 5830, 6248, 6572, 6820, 7526, 7810, 8215, 8804, 11005, 11660, 13144, 13640, 15052, 15620, 16430, 17608, 18073, 18815, 22010, 23320, 24211, 30104, 31240, 32860, 36146, 37630, 41393, 44020, 48422, 65720, 72292, 75260, 82786, 88040, 90365, 96844, 116653, 121055, 144584, 150520, 165572, 180730, 193688, 206965, 233306, 242110, 331144, 361460, 413930, 466612, 484220, 583265, 722920, 827860, 933224, 968440, 1166530, 1283183, 1655720, 2333060, 2566366, 4666120, 5132732, 6415915, 10265464, 12831830, 25663660, 51327320]

約数ペア:

[(1, 51327320), (2, 25663660), (4, 12831830), (5, 10265464), (8, 6415915), (10, 5132732), (11, 4666120), (20, 2566366), (22, 2333060), (31, 1655720), (40, 1283183), (44, 1166530), (53, 968440), (55, 933224), (62, 827860), (71, 722920), (88, 583265), (106, 484220), (110, 466612), (124, 413930), (142, 361460), (155, 331144), (212, 242110), (220, 233306), (248, 206965), (265, 193688), (284, 180730), (310, 165572), (341, 150520), (355, 144584), (424, 121055), (440, 116653), (530, 96844), (568, 90365), (583, 88040), (620, 82786), (682, 75260), (710, 72292), (781, 65720), (1060, 48422), (1166, 44020), (1240, 41393), (1364, 37630), (1420, 36146), (1562, 32860), (1643, 31240), (1705, 30104), (2120, 24211), (2201, 23320), (2332, 22010), (2728, 18815), (2840, 18073), (2915, 17608), (3124, 16430), (3286, 15620), (3410, 15052), (3763, 13640), (3905, 13144), (4402, 11660), (4664, 11005), (5830, 8804), (6248, 8215), (6572, 7810), (6820, 7526)]