72105280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17333}}^1$

素因数の和:17363

約数の個数: 56

約数和(自身を含む): 184919112

約数和(自身を除く): 112813832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 17333, 34666, 69332, 86665, 138664, 173330, 225329, 277328, 346660, 450658, 554656, 693320, 901316, 1109312, 1126645, 1386640, 1802632, 2253290, 2773280, 3605264, 4506580, 5546560, 7210528, 9013160, 14421056, 18026320, 36052640, 72105280]

約数ペア:

[(1, 72105280), (2, 36052640), (4, 18026320), (5, 14421056), (8, 9013160), (10, 7210528), (13, 5546560), (16, 4506580), (20, 3605264), (26, 2773280), (32, 2253290), (40, 1802632), (52, 1386640), (64, 1126645), (65, 1109312), (80, 901316), (104, 693320), (130, 554656), (160, 450658), (208, 346660), (260, 277328), (320, 225329), (416, 173330), (520, 138664), (832, 86665), (1040, 69332), (2080, 34666), (4160, 17333)]