56764920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 180195840

約数和(自身を除く): 123430920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 131, 138, 157, 184, 230, 262, 276, 314, 345, 393, 460, 471, 524, 552, 628, 655, 690, 785, 786, 920, 942, 1048, 1256, 1310, 1380, 1570, 1572, 1884, 1965, 2355, 2620, 2760, 3013, 3140, 3144, 3611, 3768, 3930, 4710, 5240, 6026, 6280, 7222, 7860, 9039, 9420, 10833, 12052, 14444, 15065, 15720, 18055, 18078, 18840, 20567, 21666, 24104, 28888, 30130, 36110, 36156, 41134, 43332, 45195, 54165, 60260, 61701, 72220, 72312, 82268, 86664, 90390, 102835, 108330, 120520, 123402, 144440, 164536, 180780, 205670, 216660, 246804, 308505, 361560, 411340, 433320, 473041, 493608, 617010, 822680, 946082, 1234020, 1419123, 1892164, 2365205, 2468040, 2838246, 3784328, 4730410, 5676492, 7095615, 9460820, 11352984, 14191230, 18921640, 28382460, 56764920]

約数ペア:

[(1, 56764920), (2, 28382460), (3, 18921640), (4, 14191230), (5, 11352984), (6, 9460820), (8, 7095615), (10, 5676492), (12, 4730410), (15, 3784328), (20, 2838246), (23, 2468040), (24, 2365205), (30, 1892164), (40, 1419123), (46, 1234020), (60, 946082), (69, 822680), (92, 617010), (115, 493608), (120, 473041), (131, 433320), (138, 411340), (157, 361560), (184, 308505), (230, 246804), (262, 216660), (276, 205670), (314, 180780), (345, 164536), (393, 144440), (460, 123402), (471, 120520), (524, 108330), (552, 102835), (628, 90390), (655, 86664), (690, 82268), (785, 72312), (786, 72220), (920, 61701), (942, 60260), (1048, 54165), (1256, 45195), (1310, 43332), (1380, 41134), (1570, 36156), (1572, 36110), (1884, 30130), (1965, 28888), (2355, 24104), (2620, 21666), (2760, 20567), (3013, 18840), (3140, 18078), (3144, 18055), (3611, 15720), (3768, 15065), (3930, 14444), (4710, 12052), (5240, 10833), (6026, 9420), (6280, 9039), (7222, 7860)]