72135680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 88

約数和(自身を含む): 176320392

約数和(自身を除く): 104184712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 193, 256, 292, 320, 365, 386, 512, 584, 640, 730, 772, 965, 1024, 1168, 1280, 1460, 1544, 1930, 2336, 2560, 2920, 3088, 3860, 4672, 5120, 5840, 6176, 7720, 9344, 11680, 12352, 14089, 15440, 18688, 23360, 24704, 28178, 30880, 37376, 46720, 49408, 56356, 61760, 70445, 74752, 93440, 98816, 112712, 123520, 140890, 186880, 197632, 225424, 247040, 281780, 373760, 450848, 494080, 563560, 901696, 988160, 1127120, 1803392, 2254240, 3606784, 4508480, 7213568, 9016960, 14427136, 18033920, 36067840, 72135680]

約数ペア:

[(1, 72135680), (2, 36067840), (4, 18033920), (5, 14427136), (8, 9016960), (10, 7213568), (16, 4508480), (20, 3606784), (32, 2254240), (40, 1803392), (64, 1127120), (73, 988160), (80, 901696), (128, 563560), (146, 494080), (160, 450848), (193, 373760), (256, 281780), (292, 247040), (320, 225424), (365, 197632), (386, 186880), (512, 140890), (584, 123520), (640, 112712), (730, 98816), (772, 93440), (965, 74752), (1024, 70445), (1168, 61760), (1280, 56356), (1460, 49408), (1544, 46720), (1930, 37376), (2336, 30880), (2560, 28178), (2920, 24704), (3088, 23360), (3860, 18688), (4672, 15440), (5120, 14089), (5840, 12352), (6176, 11680), (7720, 9344)]