180408240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{757}}^1$

素因数の和:1107

約数の個数: 120

約数和(自身を含む): 608504208

約数和(自身を除く): 428095968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 331, 360, 662, 720, 757, 993, 1324, 1514, 1655, 1986, 2271, 2648, 2979, 3028, 3310, 3785, 3972, 4542, 4965, 5296, 5958, 6056, 6620, 6813, 7570, 7944, 9084, 9930, 11355, 11916, 12112, 13240, 13626, 14895, 15140, 15888, 18168, 19860, 22710, 23832, 26480, 27252, 29790, 30280, 34065, 36336, 39720, 45420, 47664, 54504, 59580, 60560, 68130, 79440, 90840, 109008, 119160, 136260, 181680, 238320, 250567, 272520, 501134, 545040, 751701, 1002268, 1252835, 1503402, 2004536, 2255103, 2505670, 3006804, 3758505, 4009072, 4510206, 5011340, 6013608, 7517010, 9020412, 10022680, 11275515, 12027216, 15034020, 18040824, 20045360, 22551030, 30068040, 36081648, 45102060, 60136080, 90204120, 180408240]

約数ペア:

[(1, 180408240), (2, 90204120), (3, 60136080), (4, 45102060), (5, 36081648), (6, 30068040), (8, 22551030), (9, 20045360), (10, 18040824), (12, 15034020), (15, 12027216), (16, 11275515), (18, 10022680), (20, 9020412), (24, 7517010), (30, 6013608), (36, 5011340), (40, 4510206), (45, 4009072), (48, 3758505), (60, 3006804), (72, 2505670), (80, 2255103), (90, 2004536), (120, 1503402), (144, 1252835), (180, 1002268), (240, 751701), (331, 545040), (360, 501134), (662, 272520), (720, 250567), (757, 238320), (993, 181680), (1324, 136260), (1514, 119160), (1655, 109008), (1986, 90840), (2271, 79440), (2648, 68130), (2979, 60560), (3028, 59580), (3310, 54504), (3785, 47664), (3972, 45420), (4542, 39720), (4965, 36336), (5296, 34065), (5958, 30280), (6056, 29790), (6620, 27252), (6813, 26480), (7570, 23832), (7944, 22710), (9084, 19860), (9930, 18168), (11355, 15888), (11916, 15140), (12112, 14895), (13240, 13626)]