72891520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8761}}^1$

素因数の和:8793

約数の個数: 64

約数和(自身を含む): 187682040

約数和(自身を除く): 114790520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 8761, 17522, 35044, 43805, 70088, 87610, 113893, 140176, 175220, 227786, 280352, 350440, 455572, 560704, 569465, 700880, 911144, 1121408, 1138930, 1401760, 1822288, 2277860, 2803520, 3644576, 4555720, 5607040, 7289152, 9111440, 14578304, 18222880, 36445760, 72891520]

約数ペア:

[(1, 72891520), (2, 36445760), (4, 18222880), (5, 14578304), (8, 9111440), (10, 7289152), (13, 5607040), (16, 4555720), (20, 3644576), (26, 2803520), (32, 2277860), (40, 1822288), (52, 1401760), (64, 1138930), (65, 1121408), (80, 911144), (104, 700880), (128, 569465), (130, 560704), (160, 455572), (208, 350440), (260, 280352), (320, 227786), (416, 175220), (520, 140176), (640, 113893), (832, 87610), (1040, 70088), (1664, 43805), (2080, 35044), (4160, 17522), (8320, 8761)]