90702040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 243673920

約数和(自身を除く): 152971880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 101, 104, 110, 130, 143, 157, 202, 220, 260, 286, 314, 404, 440, 505, 520, 572, 628, 715, 785, 808, 1010, 1111, 1144, 1256, 1313, 1430, 1570, 1727, 2020, 2041, 2222, 2626, 2860, 3140, 3454, 4040, 4082, 4444, 5252, 5555, 5720, 6280, 6565, 6908, 8164, 8635, 8888, 10205, 10504, 11110, 13130, 13816, 14443, 15857, 16328, 17270, 20410, 22220, 22451, 26260, 28886, 31714, 34540, 40820, 44440, 44902, 52520, 57772, 63428, 69080, 72215, 79285, 81640, 89804, 112255, 115544, 126856, 144430, 158570, 174427, 179608, 206141, 224510, 288860, 317140, 348854, 412282, 449020, 577720, 634280, 697708, 824564, 872135, 898040, 1030705, 1395416, 1649128, 1744270, 2061410, 2267551, 3488540, 4122820, 4535102, 6977080, 8245640, 9070204, 11337755, 18140408, 22675510, 45351020, 90702040]

約数ペア:

[(1, 90702040), (2, 45351020), (4, 22675510), (5, 18140408), (8, 11337755), (10, 9070204), (11, 8245640), (13, 6977080), (20, 4535102), (22, 4122820), (26, 3488540), (40, 2267551), (44, 2061410), (52, 1744270), (55, 1649128), (65, 1395416), (88, 1030705), (101, 898040), (104, 872135), (110, 824564), (130, 697708), (143, 634280), (157, 577720), (202, 449020), (220, 412282), (260, 348854), (286, 317140), (314, 288860), (404, 224510), (440, 206141), (505, 179608), (520, 174427), (572, 158570), (628, 144430), (715, 126856), (785, 115544), (808, 112255), (1010, 89804), (1111, 81640), (1144, 79285), (1256, 72215), (1313, 69080), (1430, 63428), (1570, 57772), (1727, 52520), (2020, 44902), (2041, 44440), (2222, 40820), (2626, 34540), (2860, 31714), (3140, 28886), (3454, 26260), (4040, 22451), (4082, 22220), (4444, 20410), (5252, 17270), (5555, 16328), (5720, 15857), (6280, 14443), (6565, 13816), (6908, 13130), (8164, 11110), (8635, 10504), (8888, 10205)]