278546040

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{28657}}^1$

素因数の和:28683

約数の個数: 96

約数和(自身を含む): 938836080

約数和(自身を除く): 660290040

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, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 28657, 57314, 85971, 114628, 143285, 171942, 229256, 257913, 286570, 343884, 429855, 515826, 573140, 687768, 773739, 859710, 1031652, 1146280, 1289565, 1547478, 1719420, 2063304, 2321217, 2579130, 3094956, 3438840, 3868695, 4642434, 5158260, 6189912, 6963651, 7737390, 9284868, 10316520, 11606085, 13927302, 15474780, 18569736, 23212170, 27854604, 30949560, 34818255, 46424340, 55709208, 69636510, 92848680, 139273020, 278546040]

約数ペア:

[(1, 278546040), (2, 139273020), (3, 92848680), (4, 69636510), (5, 55709208), (6, 46424340), (8, 34818255), (9, 30949560), (10, 27854604), (12, 23212170), (15, 18569736), (18, 15474780), (20, 13927302), (24, 11606085), (27, 10316520), (30, 9284868), (36, 7737390), (40, 6963651), (45, 6189912), (54, 5158260), (60, 4642434), (72, 3868695), (81, 3438840), (90, 3094956), (108, 2579130), (120, 2321217), (135, 2063304), (162, 1719420), (180, 1547478), (216, 1289565), (243, 1146280), (270, 1031652), (324, 859710), (360, 773739), (405, 687768), (486, 573140), (540, 515826), (648, 429855), (810, 343884), (972, 286570), (1080, 257913), (1215, 229256), (1620, 171942), (1944, 143285), (2430, 114628), (3240, 85971), (4860, 57314), (9720, 28657)]