2178158040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{672271}}^1$

素因数の和:672294

約数の個数: 80

約数和(自身を含む): 7321042080

約数和(自身を除く): 5142884040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 672271, 1344542, 2016813, 2689084, 3361355, 4033626, 5378168, 6050439, 6722710, 8067252, 10084065, 12100878, 13445420, 16134504, 18151317, 20168130, 24201756, 26890840, 30252195, 36302634, 40336260, 48403512, 54453951, 60504390, 72605268, 80672520, 90756585, 108907902, 121008780, 145210536, 181513170, 217815804, 242017560, 272269755, 363026340, 435631608, 544539510, 726052680, 1089079020, 2178158040]

約数ペア:

[(1, 2178158040), (2, 1089079020), (3, 726052680), (4, 544539510), (5, 435631608), (6, 363026340), (8, 272269755), (9, 242017560), (10, 217815804), (12, 181513170), (15, 145210536), (18, 121008780), (20, 108907902), (24, 90756585), (27, 80672520), (30, 72605268), (36, 60504390), (40, 54453951), (45, 48403512), (54, 40336260), (60, 36302634), (72, 30252195), (81, 26890840), (90, 24201756), (108, 20168130), (120, 18151317), (135, 16134504), (162, 13445420), (180, 12100878), (216, 10084065), (270, 8067252), (324, 6722710), (360, 6050439), (405, 5378168), (540, 4033626), (648, 3361355), (810, 2689084), (1080, 2016813), (1620, 1344542), (3240, 672271)]