72613120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 190729728

約数和(自身を除く): 118116608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 71, 80, 85, 94, 128, 136, 142, 160, 170, 188, 235, 256, 272, 284, 320, 340, 355, 376, 470, 544, 568, 640, 680, 710, 752, 799, 940, 1088, 1136, 1207, 1280, 1360, 1420, 1504, 1598, 1880, 2176, 2272, 2414, 2720, 2840, 3008, 3196, 3337, 3760, 3995, 4352, 4544, 4828, 5440, 5680, 6016, 6035, 6392, 6674, 7520, 7990, 9088, 9656, 10880, 11360, 12032, 12070, 12784, 13348, 15040, 15980, 16685, 18176, 19312, 21760, 22720, 24140, 25568, 26696, 30080, 31960, 33370, 38624, 45440, 48280, 51136, 53392, 56729, 60160, 63920, 66740, 77248, 90880, 96560, 102272, 106784, 113458, 127840, 133480, 154496, 193120, 204544, 213568, 226916, 255680, 266960, 283645, 308992, 386240, 427136, 453832, 511360, 533920, 567290, 772480, 854272, 907664, 1022720, 1067840, 1134580, 1544960, 1815328, 2135680, 2269160, 3630656, 4271360, 4538320, 7261312, 9076640, 14522624, 18153280, 36306560, 72613120]

約数ペア:

[(1, 72613120), (2, 36306560), (4, 18153280), (5, 14522624), (8, 9076640), (10, 7261312), (16, 4538320), (17, 4271360), (20, 3630656), (32, 2269160), (34, 2135680), (40, 1815328), (47, 1544960), (64, 1134580), (68, 1067840), (71, 1022720), (80, 907664), (85, 854272), (94, 772480), (128, 567290), (136, 533920), (142, 511360), (160, 453832), (170, 427136), (188, 386240), (235, 308992), (256, 283645), (272, 266960), (284, 255680), (320, 226916), (340, 213568), (355, 204544), (376, 193120), (470, 154496), (544, 133480), (568, 127840), (640, 113458), (680, 106784), (710, 102272), (752, 96560), (799, 90880), (940, 77248), (1088, 66740), (1136, 63920), (1207, 60160), (1280, 56729), (1360, 53392), (1420, 51136), (1504, 48280), (1598, 45440), (1880, 38624), (2176, 33370), (2272, 31960), (2414, 30080), (2720, 26696), (2840, 25568), (3008, 24140), (3196, 22720), (3337, 21760), (3760, 19312), (3995, 18176), (4352, 16685), (4544, 15980), (4828, 15040), (5440, 13348), (5680, 12784), (6016, 12070), (6035, 12032), (6392, 11360), (6674, 10880), (7520, 9656), (7990, 9088)]