72653840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 194666112

約数和(自身を除く): 122012272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 947, 959, 1096, 1370, 1894, 1918, 2192, 2740, 3788, 3836, 4735, 4795, 5480, 6629, 7576, 7672, 9470, 9590, 10960, 13258, 15152, 15344, 18940, 19180, 26516, 33145, 37880, 38360, 53032, 66290, 75760, 76720, 106064, 129739, 132580, 259478, 265160, 518956, 530320, 648695, 908173, 1037912, 1297390, 1816346, 2075824, 2594780, 3632692, 4540865, 5189560, 7265384, 9081730, 10379120, 14530768, 18163460, 36326920, 72653840]

約数ペア:

[(1, 72653840), (2, 36326920), (4, 18163460), (5, 14530768), (7, 10379120), (8, 9081730), (10, 7265384), (14, 5189560), (16, 4540865), (20, 3632692), (28, 2594780), (35, 2075824), (40, 1816346), (56, 1297390), (70, 1037912), (80, 908173), (112, 648695), (137, 530320), (140, 518956), (274, 265160), (280, 259478), (548, 132580), (560, 129739), (685, 106064), (947, 76720), (959, 75760), (1096, 66290), (1370, 53032), (1894, 38360), (1918, 37880), (2192, 33145), (2740, 26516), (3788, 19180), (3836, 18940), (4735, 15344), (4795, 15152), (5480, 13258), (6629, 10960), (7576, 9590), (7672, 9470)]