72621705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 139587840

約数和(自身を除く): 66966135

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 663, 741, 969, 1105, 1153, 1235, 1615, 3315, 3459, 3705, 4199, 4845, 5765, 12597, 14989, 17295, 19601, 20995, 21907, 44967, 58803, 62985, 65721, 74945, 98005, 109535, 224835, 254813, 284791, 294015, 328605, 372419, 764439, 854373, 1117257, 1274065, 1423955, 1862095, 3822195, 4271865, 4841447, 5586285, 14524341, 24207235, 72621705]

約数ペア:

[(1, 72621705), (3, 24207235), (5, 14524341), (13, 5586285), (15, 4841447), (17, 4271865), (19, 3822195), (39, 1862095), (51, 1423955), (57, 1274065), (65, 1117257), (85, 854373), (95, 764439), (195, 372419), (221, 328605), (247, 294015), (255, 284791), (285, 254813), (323, 224835), (663, 109535), (741, 98005), (969, 74945), (1105, 65721), (1153, 62985), (1235, 58803), (1615, 44967), (3315, 21907), (3459, 20995), (3705, 19601), (4199, 17295), (4845, 14989), (5765, 12597)]