121535440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 306886608

約数和(自身を除く): 185351168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 853, 1040, 1096, 1370, 1706, 1781, 2192, 2740, 3412, 3562, 4265, 5480, 6824, 7124, 8530, 8905, 10960, 11089, 13648, 14248, 17060, 17810, 22178, 28496, 34120, 35620, 44356, 55445, 68240, 71240, 88712, 110890, 116861, 142480, 177424, 221780, 233722, 443560, 467444, 584305, 887120, 934888, 1168610, 1519193, 1869776, 2337220, 3038386, 4674440, 6076772, 7595965, 9348880, 12153544, 15191930, 24307088, 30383860, 60767720, 121535440]

約数ペア:

[(1, 121535440), (2, 60767720), (4, 30383860), (5, 24307088), (8, 15191930), (10, 12153544), (13, 9348880), (16, 7595965), (20, 6076772), (26, 4674440), (40, 3038386), (52, 2337220), (65, 1869776), (80, 1519193), (104, 1168610), (130, 934888), (137, 887120), (208, 584305), (260, 467444), (274, 443560), (520, 233722), (548, 221780), (685, 177424), (853, 142480), (1040, 116861), (1096, 110890), (1370, 88712), (1706, 71240), (1781, 68240), (2192, 55445), (2740, 44356), (3412, 35620), (3562, 34120), (4265, 28496), (5480, 22178), (6824, 17810), (7124, 17060), (8530, 14248), (8905, 13648), (10960, 11089)]