28957320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11491}}^1$

素因数の和:11515

約数の個数: 96

約数和(自身を含む): 107565120

約数和(自身を除く): 78607800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11491, 22982, 34473, 45964, 57455, 68946, 80437, 91928, 103419, 114910, 137892, 160874, 172365, 206838, 229820, 241311, 275784, 321748, 344730, 402185, 413676, 459640, 482622, 517095, 643496, 689460, 723933, 804370, 827352, 965244, 1034190, 1206555, 1378920, 1447866, 1608740, 1930488, 2068380, 2413110, 2895732, 3217480, 3619665, 4136760, 4826220, 5791464, 7239330, 9652440, 14478660, 28957320]

約数ペア:

[(1, 28957320), (2, 14478660), (3, 9652440), (4, 7239330), (5, 5791464), (6, 4826220), (7, 4136760), (8, 3619665), (9, 3217480), (10, 2895732), (12, 2413110), (14, 2068380), (15, 1930488), (18, 1608740), (20, 1447866), (21, 1378920), (24, 1206555), (28, 1034190), (30, 965244), (35, 827352), (36, 804370), (40, 723933), (42, 689460), (45, 643496), (56, 517095), (60, 482622), (63, 459640), (70, 413676), (72, 402185), (84, 344730), (90, 321748), (105, 275784), (120, 241311), (126, 229820), (140, 206838), (168, 172365), (180, 160874), (210, 137892), (252, 114910), (280, 103419), (315, 91928), (360, 80437), (420, 68946), (504, 57455), (630, 45964), (840, 34473), (1260, 22982), (2520, 11491)]