127777680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1723}}^1$

素因数の和:1845

約数の個数: 120

約数和(自身を含む): 433537728

約数和(自身を除く): 305760048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1236, 1545, 1648, 1723, 1854, 2060, 2472, 3090, 3446, 3708, 4120, 4635, 4944, 5169, 6180, 6892, 7416, 8240, 8615, 9270, 10338, 12360, 13784, 14832, 15507, 17230, 18540, 20676, 24720, 25845, 27568, 31014, 34460, 37080, 41352, 51690, 62028, 68920, 74160, 77535, 82704, 103380, 124056, 137840, 155070, 177469, 206760, 248112, 310140, 354938, 413520, 532407, 620280, 709876, 887345, 1064814, 1240560, 1419752, 1597221, 1774690, 2129628, 2662035, 2839504, 3194442, 3549380, 4259256, 5324070, 6388884, 7098760, 7986105, 8518512, 10648140, 12777768, 14197520, 15972210, 21296280, 25555536, 31944420, 42592560, 63888840, 127777680]

約数ペア:

[(1, 127777680), (2, 63888840), (3, 42592560), (4, 31944420), (5, 25555536), (6, 21296280), (8, 15972210), (9, 14197520), (10, 12777768), (12, 10648140), (15, 8518512), (16, 7986105), (18, 7098760), (20, 6388884), (24, 5324070), (30, 4259256), (36, 3549380), (40, 3194442), (45, 2839504), (48, 2662035), (60, 2129628), (72, 1774690), (80, 1597221), (90, 1419752), (103, 1240560), (120, 1064814), (144, 887345), (180, 709876), (206, 620280), (240, 532407), (309, 413520), (360, 354938), (412, 310140), (515, 248112), (618, 206760), (720, 177469), (824, 155070), (927, 137840), (1030, 124056), (1236, 103380), (1545, 82704), (1648, 77535), (1723, 74160), (1854, 68920), (2060, 62028), (2472, 51690), (3090, 41352), (3446, 37080), (3708, 34460), (4120, 31014), (4635, 27568), (4944, 25845), (5169, 24720), (6180, 20676), (6892, 18540), (7416, 17230), (8240, 15507), (8615, 14832), (9270, 13784), (10338, 12360)]