87076720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 219494880

約数和(自身を除く): 132418160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1489, 1720, 2924, 2978, 3440, 3655, 5848, 5956, 7310, 7445, 11696, 11912, 14620, 14890, 23824, 25313, 29240, 29780, 50626, 58480, 59560, 64027, 101252, 119120, 126565, 128054, 202504, 253130, 256108, 320135, 405008, 506260, 512216, 640270, 1012520, 1024432, 1088459, 1280540, 2025040, 2176918, 2561080, 4353836, 5122160, 5442295, 8707672, 10884590, 17415344, 21769180, 43538360, 87076720]

約数ペア:

[(1, 87076720), (2, 43538360), (4, 21769180), (5, 17415344), (8, 10884590), (10, 8707672), (16, 5442295), (17, 5122160), (20, 4353836), (34, 2561080), (40, 2176918), (43, 2025040), (68, 1280540), (80, 1088459), (85, 1024432), (86, 1012520), (136, 640270), (170, 512216), (172, 506260), (215, 405008), (272, 320135), (340, 256108), (344, 253130), (430, 202504), (680, 128054), (688, 126565), (731, 119120), (860, 101252), (1360, 64027), (1462, 59560), (1489, 58480), (1720, 50626), (2924, 29780), (2978, 29240), (3440, 25313), (3655, 23824), (5848, 14890), (5956, 14620), (7310, 11912), (7445, 11696)]