254645440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1542

約数の個数: 112

約数和(自身を含む): 702259200

約数和(自身を除く): 447613760

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, 448, 553, 560, 632, 790, 1106, 1120, 1264, 1439, 1580, 2212, 2240, 2528, 2765, 2878, 3160, 4424, 5056, 5530, 5756, 6320, 7195, 8848, 10073, 11060, 11512, 12640, 14390, 17696, 20146, 22120, 23024, 25280, 28780, 35392, 40292, 44240, 46048, 50365, 57560, 80584, 88480, 92096, 100730, 113681, 115120, 161168, 176960, 201460, 227362, 230240, 322336, 402920, 454724, 460480, 568405, 644672, 795767, 805840, 909448, 1136810, 1591534, 1611680, 1818896, 2273620, 3183068, 3223360, 3637792, 3978835, 4547240, 6366136, 7275584, 7957670, 9094480, 12732272, 15915340, 18188960, 25464544, 31830680, 36377920, 50929088, 63661360, 127322720, 254645440]

約数ペア:

[(1, 254645440), (2, 127322720), (4, 63661360), (5, 50929088), (7, 36377920), (8, 31830680), (10, 25464544), (14, 18188960), (16, 15915340), (20, 12732272), (28, 9094480), (32, 7957670), (35, 7275584), (40, 6366136), (56, 4547240), (64, 3978835), (70, 3637792), (79, 3223360), (80, 3183068), (112, 2273620), (140, 1818896), (158, 1611680), (160, 1591534), (224, 1136810), (280, 909448), (316, 805840), (320, 795767), (395, 644672), (448, 568405), (553, 460480), (560, 454724), (632, 402920), (790, 322336), (1106, 230240), (1120, 227362), (1264, 201460), (1439, 176960), (1580, 161168), (2212, 115120), (2240, 113681), (2528, 100730), (2765, 92096), (2878, 88480), (3160, 80584), (4424, 57560), (5056, 50365), (5530, 46048), (5756, 44240), (6320, 40292), (7195, 35392), (8848, 28780), (10073, 25280), (11060, 23024), (11512, 22120), (12640, 20146), (14390, 17696)]