2020320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 7312032

約数和(自身を除く): 5291712

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, 61, 69, 72, 80, 90, 92, 96, 115, 120, 122, 138, 144, 160, 180, 183, 184, 207, 230, 240, 244, 276, 288, 305, 345, 360, 366, 368, 414, 460, 480, 488, 549, 552, 610, 690, 720, 732, 736, 828, 915, 920, 976, 1035, 1098, 1104, 1220, 1380, 1403, 1440, 1464, 1656, 1830, 1840, 1952, 2070, 2196, 2208, 2440, 2745, 2760, 2806, 2928, 3312, 3660, 3680, 4140, 4209, 4392, 4880, 5490, 5520, 5612, 5856, 6624, 7015, 7320, 8280, 8418, 8784, 9760, 10980, 11040, 11224, 12627, 14030, 14640, 16560, 16836, 17568, 21045, 21960, 22448, 25254, 28060, 29280, 33120, 33672, 42090, 43920, 44896, 50508, 56120, 63135, 67344, 84180, 87840, 101016, 112240, 126270, 134688, 168360, 202032, 224480, 252540, 336720, 404064, 505080, 673440, 1010160, 2020320]

約数ペア:

[(1, 2020320), (2, 1010160), (3, 673440), (4, 505080), (5, 404064), (6, 336720), (8, 252540), (9, 224480), (10, 202032), (12, 168360), (15, 134688), (16, 126270), (18, 112240), (20, 101016), (23, 87840), (24, 84180), (30, 67344), (32, 63135), (36, 56120), (40, 50508), (45, 44896), (46, 43920), (48, 42090), (60, 33672), (61, 33120), (69, 29280), (72, 28060), (80, 25254), (90, 22448), (92, 21960), (96, 21045), (115, 17568), (120, 16836), (122, 16560), (138, 14640), (144, 14030), (160, 12627), (180, 11224), (183, 11040), (184, 10980), (207, 9760), (230, 8784), (240, 8418), (244, 8280), (276, 7320), (288, 7015), (305, 6624), (345, 5856), (360, 5612), (366, 5520), (368, 5490), (414, 4880), (460, 4392), (480, 4209), (488, 4140), (549, 3680), (552, 3660), (610, 3312), (690, 2928), (720, 2806), (732, 2760), (736, 2745), (828, 2440), (915, 2208), (920, 2196), (976, 2070), (1035, 1952), (1098, 1840), (1104, 1830), (1220, 1656), (1380, 1464), (1403, 1440)]