18708120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 61373520

約数和(自身を除く): 42665400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 331, 360, 471, 628, 662, 785, 942, 993, 1256, 1324, 1413, 1570, 1655, 1884, 1986, 2355, 2648, 2826, 2979, 3140, 3310, 3768, 3972, 4710, 4965, 5652, 5958, 6280, 6620, 7065, 7944, 9420, 9930, 11304, 11916, 13240, 14130, 14895, 18840, 19860, 23832, 28260, 29790, 39720, 51967, 56520, 59580, 103934, 119160, 155901, 207868, 259835, 311802, 415736, 467703, 519670, 623604, 779505, 935406, 1039340, 1247208, 1559010, 1870812, 2078680, 2338515, 3118020, 3741624, 4677030, 6236040, 9354060, 18708120]

約数ペア:

[(1, 18708120), (2, 9354060), (3, 6236040), (4, 4677030), (5, 3741624), (6, 3118020), (8, 2338515), (9, 2078680), (10, 1870812), (12, 1559010), (15, 1247208), (18, 1039340), (20, 935406), (24, 779505), (30, 623604), (36, 519670), (40, 467703), (45, 415736), (60, 311802), (72, 259835), (90, 207868), (120, 155901), (157, 119160), (180, 103934), (314, 59580), (331, 56520), (360, 51967), (471, 39720), (628, 29790), (662, 28260), (785, 23832), (942, 19860), (993, 18840), (1256, 14895), (1324, 14130), (1413, 13240), (1570, 11916), (1655, 11304), (1884, 9930), (1986, 9420), (2355, 7944), (2648, 7065), (2826, 6620), (2979, 6280), (3140, 5958), (3310, 5652), (3768, 4965), (3972, 4710)]