77685440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 112

約数和(自身を含む): 214579200

約数和(自身を除く): 136893760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 439, 448, 553, 560, 632, 790, 878, 1106, 1120, 1264, 1580, 1756, 2195, 2212, 2240, 2528, 2765, 3073, 3160, 3512, 4390, 4424, 5056, 5530, 6146, 6320, 7024, 8780, 8848, 11060, 12292, 12640, 14048, 15365, 17560, 17696, 22120, 24584, 25280, 28096, 30730, 34681, 35120, 35392, 44240, 49168, 61460, 69362, 70240, 88480, 98336, 122920, 138724, 140480, 173405, 176960, 196672, 242767, 245840, 277448, 346810, 485534, 491680, 554896, 693620, 971068, 983360, 1109792, 1213835, 1387240, 1942136, 2219584, 2427670, 2774480, 3884272, 4855340, 5548960, 7768544, 9710680, 11097920, 15537088, 19421360, 38842720, 77685440]

約数ペア:

[(1, 77685440), (2, 38842720), (4, 19421360), (5, 15537088), (7, 11097920), (8, 9710680), (10, 7768544), (14, 5548960), (16, 4855340), (20, 3884272), (28, 2774480), (32, 2427670), (35, 2219584), (40, 1942136), (56, 1387240), (64, 1213835), (70, 1109792), (79, 983360), (80, 971068), (112, 693620), (140, 554896), (158, 491680), (160, 485534), (224, 346810), (280, 277448), (316, 245840), (320, 242767), (395, 196672), (439, 176960), (448, 173405), (553, 140480), (560, 138724), (632, 122920), (790, 98336), (878, 88480), (1106, 70240), (1120, 69362), (1264, 61460), (1580, 49168), (1756, 44240), (2195, 35392), (2212, 35120), (2240, 34681), (2528, 30730), (2765, 28096), (3073, 25280), (3160, 24584), (3512, 22120), (4390, 17696), (4424, 17560), (5056, 15365), (5530, 14048), (6146, 12640), (6320, 12292), (7024, 11060), (8780, 8848)]