66780720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 160

約数和(自身を含む): 235699200

約数和(自身を除く): 168918480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 344, 360, 387, 430, 432, 516, 540, 645, 688, 719, 720, 774, 860, 1032, 1080, 1161, 1290, 1438, 1548, 1720, 1935, 2064, 2157, 2160, 2322, 2580, 2876, 3096, 3440, 3595, 3870, 4314, 4644, 5160, 5752, 5805, 6192, 6471, 7190, 7740, 8628, 9288, 10320, 10785, 11504, 11610, 12942, 14380, 15480, 17256, 18576, 19413, 21570, 23220, 25884, 28760, 30917, 30960, 32355, 34512, 38826, 43140, 46440, 51768, 57520, 61834, 64710, 77652, 86280, 92751, 92880, 97065, 103536, 123668, 129420, 154585, 155304, 172560, 185502, 194130, 247336, 258840, 278253, 309170, 310608, 371004, 388260, 463755, 494672, 517680, 556506, 618340, 742008, 776520, 834759, 927510, 1113012, 1236680, 1391265, 1484016, 1553040, 1669518, 1855020, 2226024, 2473360, 2782530, 3339036, 3710040, 4173795, 4452048, 5565060, 6678072, 7420080, 8347590, 11130120, 13356144, 16695180, 22260240, 33390360, 66780720]

約数ペア:

[(1, 66780720), (2, 33390360), (3, 22260240), (4, 16695180), (5, 13356144), (6, 11130120), (8, 8347590), (9, 7420080), (10, 6678072), (12, 5565060), (15, 4452048), (16, 4173795), (18, 3710040), (20, 3339036), (24, 2782530), (27, 2473360), (30, 2226024), (36, 1855020), (40, 1669518), (43, 1553040), (45, 1484016), (48, 1391265), (54, 1236680), (60, 1113012), (72, 927510), (80, 834759), (86, 776520), (90, 742008), (108, 618340), (120, 556506), (129, 517680), (135, 494672), (144, 463755), (172, 388260), (180, 371004), (215, 310608), (216, 309170), (240, 278253), (258, 258840), (270, 247336), (344, 194130), (360, 185502), (387, 172560), (430, 155304), (432, 154585), (516, 129420), (540, 123668), (645, 103536), (688, 97065), (719, 92880), (720, 92751), (774, 86280), (860, 77652), (1032, 64710), (1080, 61834), (1161, 57520), (1290, 51768), (1438, 46440), (1548, 43140), (1720, 38826), (1935, 34512), (2064, 32355), (2157, 30960), (2160, 30917), (2322, 28760), (2580, 25884), (2876, 23220), (3096, 21570), (3440, 19413), (3595, 18576), (3870, 17256), (4314, 15480), (4644, 14380), (5160, 12942), (5752, 11610), (5805, 11504), (6192, 10785), (6471, 10320), (7190, 9288), (7740, 8628)]