31027680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 144

約数和(自身を含む): 109680480

約数和(自身を除く): 78652800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 743, 870, 928, 1044, 1160, 1305, 1392, 1440, 1486, 1740, 2088, 2229, 2320, 2610, 2784, 2972, 3480, 3715, 4176, 4458, 4640, 5220, 5944, 6687, 6960, 7430, 8352, 8916, 10440, 11145, 11888, 13374, 13920, 14860, 17832, 20880, 21547, 22290, 23776, 26748, 29720, 33435, 35664, 41760, 43094, 44580, 53496, 59440, 64641, 66870, 71328, 86188, 89160, 106992, 107735, 118880, 129282, 133740, 172376, 178320, 193923, 213984, 215470, 258564, 267480, 323205, 344752, 356640, 387846, 430940, 517128, 534960, 646410, 689504, 775692, 861880, 969615, 1034256, 1069920, 1292820, 1551384, 1723760, 1939230, 2068512, 2585640, 3102768, 3447520, 3878460, 5171280, 6205536, 7756920, 10342560, 15513840, 31027680]

約数ペア:

[(1, 31027680), (2, 15513840), (3, 10342560), (4, 7756920), (5, 6205536), (6, 5171280), (8, 3878460), (9, 3447520), (10, 3102768), (12, 2585640), (15, 2068512), (16, 1939230), (18, 1723760), (20, 1551384), (24, 1292820), (29, 1069920), (30, 1034256), (32, 969615), (36, 861880), (40, 775692), (45, 689504), (48, 646410), (58, 534960), (60, 517128), (72, 430940), (80, 387846), (87, 356640), (90, 344752), (96, 323205), (116, 267480), (120, 258564), (144, 215470), (145, 213984), (160, 193923), (174, 178320), (180, 172376), (232, 133740), (240, 129282), (261, 118880), (288, 107735), (290, 106992), (348, 89160), (360, 86188), (435, 71328), (464, 66870), (480, 64641), (522, 59440), (580, 53496), (696, 44580), (720, 43094), (743, 41760), (870, 35664), (928, 33435), (1044, 29720), (1160, 26748), (1305, 23776), (1392, 22290), (1440, 21547), (1486, 20880), (1740, 17832), (2088, 14860), (2229, 13920), (2320, 13374), (2610, 11888), (2784, 11145), (2972, 10440), (3480, 8916), (3715, 8352), (4176, 7430), (4458, 6960), (4640, 6687), (5220, 5944)]