121456075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 183805200

約数和(自身を除く): 62349125

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 89, 95, 169, 221, 247, 323, 325, 425, 445, 475, 845, 1105, 1157, 1235, 1513, 1615, 1691, 2225, 2873, 3211, 4199, 4225, 5525, 5785, 6175, 7565, 8075, 8455, 14365, 15041, 16055, 19669, 20995, 21983, 28747, 28925, 37825, 42275, 54587, 71825, 75205, 80275, 98345, 104975, 109915, 143735, 255697, 272935, 285779, 373711, 376025, 491725, 549575, 718675, 1278485, 1364675, 1428895, 1868555, 4858243, 6392425, 7144475, 9342775, 24291215, 121456075]

約数ペア:

[(1, 121456075), (5, 24291215), (13, 9342775), (17, 7144475), (19, 6392425), (25, 4858243), (65, 1868555), (85, 1428895), (89, 1364675), (95, 1278485), (169, 718675), (221, 549575), (247, 491725), (323, 376025), (325, 373711), (425, 285779), (445, 272935), (475, 255697), (845, 143735), (1105, 109915), (1157, 104975), (1235, 98345), (1513, 80275), (1615, 75205), (1691, 71825), (2225, 54587), (2873, 42275), (3211, 37825), (4199, 28925), (4225, 28747), (5525, 21983), (5785, 20995), (6175, 19669), (7565, 16055), (8075, 15041), (8455, 14365)]