72168480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2223

約数の個数: 144

約数和(自身を含む): 257100480

約数和(自身を除く): 184932000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2179, 2208, 2760, 3312, 3680, 4140, 4358, 5520, 6537, 6624, 8280, 8716, 10895, 11040, 13074, 16560, 17432, 19611, 21790, 26148, 32685, 33120, 34864, 39222, 43580, 50117, 52296, 65370, 69728, 78444, 87160, 98055, 100234, 104592, 130740, 150351, 156888, 174320, 196110, 200468, 209184, 250585, 261480, 300702, 313776, 348640, 392220, 400936, 451053, 501170, 522960, 601404, 627552, 751755, 784440, 801872, 902106, 1002340, 1045920, 1202808, 1503510, 1568880, 1603744, 1804212, 2004680, 2255265, 2405616, 3007020, 3137760, 3608424, 4009360, 4510530, 4811232, 6014040, 7216848, 8018720, 9021060, 12028080, 14433696, 18042120, 24056160, 36084240, 72168480]

約数ペア:

[(1, 72168480), (2, 36084240), (3, 24056160), (4, 18042120), (5, 14433696), (6, 12028080), (8, 9021060), (9, 8018720), (10, 7216848), (12, 6014040), (15, 4811232), (16, 4510530), (18, 4009360), (20, 3608424), (23, 3137760), (24, 3007020), (30, 2405616), (32, 2255265), (36, 2004680), (40, 1804212), (45, 1603744), (46, 1568880), (48, 1503510), (60, 1202808), (69, 1045920), (72, 1002340), (80, 902106), (90, 801872), (92, 784440), (96, 751755), (115, 627552), (120, 601404), (138, 522960), (144, 501170), (160, 451053), (180, 400936), (184, 392220), (207, 348640), (230, 313776), (240, 300702), (276, 261480), (288, 250585), (345, 209184), (360, 200468), (368, 196110), (414, 174320), (460, 156888), (480, 150351), (552, 130740), (690, 104592), (720, 100234), (736, 98055), (828, 87160), (920, 78444), (1035, 69728), (1104, 65370), (1380, 52296), (1440, 50117), (1656, 43580), (1840, 39222), (2070, 34864), (2179, 33120), (2208, 32685), (2760, 26148), (3312, 21790), (3680, 19611), (4140, 17432), (4358, 16560), (5520, 13074), (6537, 11040), (6624, 10895), (8280, 8716)]