278293320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{28631}}^1$

素因数の和:28657

約数の個数: 96

約数和(自身を含む): 937984320

約数和(自身を除く): 659691000

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, 28631, 57262, 85893, 114524, 143155, 171786, 229048, 257679, 286310, 343572, 429465, 515358, 572620, 687144, 773037, 858930, 1030716, 1145240, 1288395, 1546074, 1717860, 2061432, 2319111, 2576790, 3092148, 3435720, 3865185, 4638222, 5153580, 6184296, 6957333, 7730370, 9276444, 10307160, 11595555, 13914666, 15460740, 18552888, 23191110, 27829332, 30921480, 34786665, 46382220, 55658664, 69573330, 92764440, 139146660, 278293320]

約数ペア:

[(1, 278293320), (2, 139146660), (3, 92764440), (4, 69573330), (5, 55658664), (6, 46382220), (8, 34786665), (9, 30921480), (10, 27829332), (12, 23191110), (15, 18552888), (18, 15460740), (20, 13914666), (24, 11595555), (27, 10307160), (30, 9276444), (36, 7730370), (40, 6957333), (45, 6184296), (54, 5153580), (60, 4638222), (72, 3865185), (81, 3435720), (90, 3092148), (108, 2576790), (120, 2319111), (135, 2061432), (162, 1717860), (180, 1546074), (216, 1288395), (243, 1145240), (270, 1030716), (324, 858930), (360, 773037), (405, 687144), (486, 572620), (540, 515358), (648, 429465), (810, 343572), (972, 286310), (1080, 257679), (1215, 229048), (1620, 171786), (1944, 143155), (2430, 114524), (3240, 85893), (4860, 57262), (9720, 28631)]