72851680

素因数分解:

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

素因数の和:161

約数の個数: 144

約数和(自身を含む): 195465312

約数和(自身を除く): 122613632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 71, 80, 88, 106, 110, 121, 142, 160, 176, 212, 220, 242, 265, 284, 352, 355, 424, 440, 484, 530, 568, 583, 605, 710, 781, 848, 880, 968, 1060, 1136, 1166, 1210, 1420, 1562, 1696, 1760, 1936, 2120, 2272, 2332, 2420, 2840, 2915, 3124, 3763, 3872, 3905, 4240, 4664, 4840, 5680, 5830, 6248, 6413, 7526, 7810, 8480, 8591, 9328, 9680, 11360, 11660, 12496, 12826, 15052, 15620, 17182, 18656, 18815, 19360, 23320, 24992, 25652, 30104, 31240, 32065, 34364, 37630, 41393, 42955, 46640, 51304, 60208, 62480, 64130, 68728, 75260, 82786, 85910, 93280, 102608, 120416, 124960, 128260, 137456, 150520, 165572, 171820, 205216, 206965, 256520, 274912, 301040, 331144, 343640, 413930, 455323, 513040, 602080, 662288, 687280, 827860, 910646, 1026080, 1324576, 1374560, 1655720, 1821292, 2276615, 3311440, 3642584, 4553230, 6622880, 7285168, 9106460, 14570336, 18212920, 36425840, 72851680]

約数ペア:

[(1, 72851680), (2, 36425840), (4, 18212920), (5, 14570336), (8, 9106460), (10, 7285168), (11, 6622880), (16, 4553230), (20, 3642584), (22, 3311440), (32, 2276615), (40, 1821292), (44, 1655720), (53, 1374560), (55, 1324576), (71, 1026080), (80, 910646), (88, 827860), (106, 687280), (110, 662288), (121, 602080), (142, 513040), (160, 455323), (176, 413930), (212, 343640), (220, 331144), (242, 301040), (265, 274912), (284, 256520), (352, 206965), (355, 205216), (424, 171820), (440, 165572), (484, 150520), (530, 137456), (568, 128260), (583, 124960), (605, 120416), (710, 102608), (781, 93280), (848, 85910), (880, 82786), (968, 75260), (1060, 68728), (1136, 64130), (1166, 62480), (1210, 60208), (1420, 51304), (1562, 46640), (1696, 42955), (1760, 41393), (1936, 37630), (2120, 34364), (2272, 32065), (2332, 31240), (2420, 30104), (2840, 25652), (2915, 24992), (3124, 23320), (3763, 19360), (3872, 18815), (3905, 18656), (4240, 17182), (4664, 15620), (4840, 15052), (5680, 12826), (5830, 12496), (6248, 11660), (6413, 11360), (7526, 9680), (7810, 9328), (8480, 8591)]