31104840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 101928960

約数和(自身を除く): 70824120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 127, 130, 156, 157, 195, 254, 260, 312, 314, 381, 390, 471, 508, 520, 628, 635, 762, 780, 785, 942, 1016, 1256, 1270, 1524, 1560, 1570, 1651, 1884, 1905, 2041, 2355, 2540, 3048, 3140, 3302, 3768, 3810, 4082, 4710, 4953, 5080, 6123, 6280, 6604, 7620, 8164, 8255, 9420, 9906, 10205, 12246, 13208, 15240, 16328, 16510, 18840, 19812, 19939, 20410, 24492, 24765, 30615, 33020, 39624, 39878, 40820, 48984, 49530, 59817, 61230, 66040, 79756, 81640, 99060, 99695, 119634, 122460, 159512, 198120, 199390, 239268, 244920, 259207, 299085, 398780, 478536, 518414, 598170, 777621, 797560, 1036828, 1196340, 1296035, 1555242, 2073656, 2392680, 2592070, 3110484, 3888105, 5184140, 6220968, 7776210, 10368280, 15552420, 31104840]

約数ペア:

[(1, 31104840), (2, 15552420), (3, 10368280), (4, 7776210), (5, 6220968), (6, 5184140), (8, 3888105), (10, 3110484), (12, 2592070), (13, 2392680), (15, 2073656), (20, 1555242), (24, 1296035), (26, 1196340), (30, 1036828), (39, 797560), (40, 777621), (52, 598170), (60, 518414), (65, 478536), (78, 398780), (104, 299085), (120, 259207), (127, 244920), (130, 239268), (156, 199390), (157, 198120), (195, 159512), (254, 122460), (260, 119634), (312, 99695), (314, 99060), (381, 81640), (390, 79756), (471, 66040), (508, 61230), (520, 59817), (628, 49530), (635, 48984), (762, 40820), (780, 39878), (785, 39624), (942, 33020), (1016, 30615), (1256, 24765), (1270, 24492), (1524, 20410), (1560, 19939), (1570, 19812), (1651, 18840), (1884, 16510), (1905, 16328), (2041, 15240), (2355, 13208), (2540, 12246), (3048, 10205), (3140, 9906), (3302, 9420), (3768, 8255), (3810, 8164), (4082, 7620), (4710, 6604), (4953, 6280), (5080, 6123)]