1389381120

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{20101}}^1$

素因数の和:20133

約数の個数: 160

約数和(自身を含む): 4935443040

約数和(自身を除く): 3546061920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 20101, 23040, 34560, 40202, 60303, 69120, 80404, 100505, 120606, 160808, 180909, 201010, 241212, 301515, 321616, 361818, 402020, 482424, 542727, 603030, 643232, 723636, 804040, 904545, 964848, 1085454, 1206060, 1286464, 1447272, 1608080, 1809090, 1929696, 2170908, 2412120, 2572928, 2713635, 2894544, 3216160, 3618180, 3859392, 4341816, 4824240, 5145856, 5427270, 5789088, 6432320, 7236360, 7718784, 8683632, 9648480, 10291712, 10854540, 11578176, 12864640, 14472720, 15437568, 17367264, 19296960, 21709080, 23156352, 25729280, 28945440, 30875136, 34734528, 38593920, 43418160, 46312704, 51458560, 57890880, 69469056, 77187840, 86836320, 92625408, 115781760, 138938112, 154375680, 173672640, 231563520, 277876224, 347345280, 463127040, 694690560, 1389381120]

約数ペア:

[(1, 1389381120), (2, 694690560), (3, 463127040), (4, 347345280), (5, 277876224), (6, 231563520), (8, 173672640), (9, 154375680), (10, 138938112), (12, 115781760), (15, 92625408), (16, 86836320), (18, 77187840), (20, 69469056), (24, 57890880), (27, 51458560), (30, 46312704), (32, 43418160), (36, 38593920), (40, 34734528), (45, 30875136), (48, 28945440), (54, 25729280), (60, 23156352), (64, 21709080), (72, 19296960), (80, 17367264), (90, 15437568), (96, 14472720), (108, 12864640), (120, 11578176), (128, 10854540), (135, 10291712), (144, 9648480), (160, 8683632), (180, 7718784), (192, 7236360), (216, 6432320), (240, 5789088), (256, 5427270), (270, 5145856), (288, 4824240), (320, 4341816), (360, 3859392), (384, 3618180), (432, 3216160), (480, 2894544), (512, 2713635), (540, 2572928), (576, 2412120), (640, 2170908), (720, 1929696), (768, 1809090), (864, 1608080), (960, 1447272), (1080, 1286464), (1152, 1206060), (1280, 1085454), (1440, 964848), (1536, 904545), (1728, 804040), (1920, 723636), (2160, 643232), (2304, 603030), (2560, 542727), (2880, 482424), (3456, 402020), (3840, 361818), (4320, 321616), (4608, 301515), (5760, 241212), (6912, 201010), (7680, 180909), (8640, 160808), (11520, 120606), (13824, 100505), (17280, 80404), (20101, 69120), (23040, 60303), (34560, 40202)]