31720248

素因数分解:

$2^3\times 3^7\times 7^2\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 192

約数和(自身を含む): 106567200

約数和(自身を除く): 74846952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 49, 54, 56, 63, 72, 74, 81, 84, 98, 108, 111, 126, 147, 148, 162, 168, 189, 196, 216, 222, 243, 252, 259, 294, 296, 324, 333, 378, 392, 441, 444, 486, 504, 518, 567, 588, 648, 666, 729, 756, 777, 882, 888, 972, 999, 1036, 1134, 1176, 1323, 1332, 1458, 1512, 1554, 1701, 1764, 1813, 1944, 1998, 2072, 2187, 2268, 2331, 2646, 2664, 2916, 2997, 3108, 3402, 3528, 3626, 3969, 3996, 4374, 4536, 4662, 5103, 5292, 5439, 5832, 5994, 6216, 6804, 6993, 7252, 7938, 7992, 8748, 8991, 9324, 10206, 10584, 10878, 11907, 11988, 13608, 13986, 14504, 15309, 15876, 16317, 17496, 17982, 18648, 20412, 20979, 21756, 23814, 23976, 26973, 27972, 30618, 31752, 32634, 35721, 35964, 40824, 41958, 43512, 47628, 48951, 53946, 55944, 61236, 62937, 65268, 71442, 71928, 80919, 83916, 95256, 97902, 107163, 107892, 122472, 125874, 130536, 142884, 146853, 161838, 167832, 188811, 195804, 214326, 215784, 251748, 285768, 293706, 323676, 377622, 391608, 428652, 440559, 503496, 566433, 587412, 647352, 755244, 857304, 881118, 1132866, 1174824, 1321677, 1510488, 1762236, 2265732, 2643354, 3524472, 3965031, 4531464, 5286708, 7930062, 10573416, 15860124, 31720248]

約数ペア:

[(1, 31720248), (2, 15860124), (3, 10573416), (4, 7930062), (6, 5286708), (7, 4531464), (8, 3965031), (9, 3524472), (12, 2643354), (14, 2265732), (18, 1762236), (21, 1510488), (24, 1321677), (27, 1174824), (28, 1132866), (36, 881118), (37, 857304), (42, 755244), (49, 647352), (54, 587412), (56, 566433), (63, 503496), (72, 440559), (74, 428652), (81, 391608), (84, 377622), (98, 323676), (108, 293706), (111, 285768), (126, 251748), (147, 215784), (148, 214326), (162, 195804), (168, 188811), (189, 167832), (196, 161838), (216, 146853), (222, 142884), (243, 130536), (252, 125874), (259, 122472), (294, 107892), (296, 107163), (324, 97902), (333, 95256), (378, 83916), (392, 80919), (441, 71928), (444, 71442), (486, 65268), (504, 62937), (518, 61236), (567, 55944), (588, 53946), (648, 48951), (666, 47628), (729, 43512), (756, 41958), (777, 40824), (882, 35964), (888, 35721), (972, 32634), (999, 31752), (1036, 30618), (1134, 27972), (1176, 26973), (1323, 23976), (1332, 23814), (1458, 21756), (1512, 20979), (1554, 20412), (1701, 18648), (1764, 17982), (1813, 17496), (1944, 16317), (1998, 15876), (2072, 15309), (2187, 14504), (2268, 13986), (2331, 13608), (2646, 11988), (2664, 11907), (2916, 10878), (2997, 10584), (3108, 10206), (3402, 9324), (3528, 8991), (3626, 8748), (3969, 7992), (3996, 7938), (4374, 7252), (4536, 6993), (4662, 6804), (5103, 6216), (5292, 5994), (5439, 5832)]