87213440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 223257600

約数和(自身を除く): 136044160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 127, 128, 145, 148, 160, 185, 232, 254, 290, 296, 320, 370, 464, 508, 580, 592, 635, 640, 740, 928, 1016, 1073, 1160, 1184, 1270, 1480, 1856, 2032, 2146, 2320, 2368, 2540, 2960, 3683, 3712, 4064, 4292, 4640, 4699, 4736, 5080, 5365, 5920, 7366, 8128, 8584, 9280, 9398, 10160, 10730, 11840, 14732, 16256, 17168, 18415, 18560, 18796, 20320, 21460, 23495, 23680, 29464, 34336, 36830, 37592, 40640, 42920, 46990, 58928, 68672, 73660, 75184, 81280, 85840, 93980, 117856, 136271, 137344, 147320, 150368, 171680, 187960, 235712, 272542, 294640, 300736, 343360, 375920, 471424, 545084, 589280, 601472, 681355, 686720, 751840, 1090168, 1178560, 1362710, 1503680, 2180336, 2357120, 2725420, 3007360, 4360672, 5450840, 8721344, 10901680, 17442688, 21803360, 43606720, 87213440]

約数ペア:

[(1, 87213440), (2, 43606720), (4, 21803360), (5, 17442688), (8, 10901680), (10, 8721344), (16, 5450840), (20, 4360672), (29, 3007360), (32, 2725420), (37, 2357120), (40, 2180336), (58, 1503680), (64, 1362710), (74, 1178560), (80, 1090168), (116, 751840), (127, 686720), (128, 681355), (145, 601472), (148, 589280), (160, 545084), (185, 471424), (232, 375920), (254, 343360), (290, 300736), (296, 294640), (320, 272542), (370, 235712), (464, 187960), (508, 171680), (580, 150368), (592, 147320), (635, 137344), (640, 136271), (740, 117856), (928, 93980), (1016, 85840), (1073, 81280), (1160, 75184), (1184, 73660), (1270, 68672), (1480, 58928), (1856, 46990), (2032, 42920), (2146, 40640), (2320, 37592), (2368, 36830), (2540, 34336), (2960, 29464), (3683, 23680), (3712, 23495), (4064, 21460), (4292, 20320), (4640, 18796), (4699, 18560), (4736, 18415), (5080, 17168), (5365, 16256), (5920, 14732), (7366, 11840), (8128, 10730), (8584, 10160), (9280, 9398)]