80820120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 247862160

約数和(自身を除く): 167042040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 181, 183, 244, 305, 362, 366, 488, 543, 610, 724, 732, 905, 915, 1086, 1220, 1448, 1464, 1810, 1830, 2172, 2440, 2715, 3620, 3660, 3721, 4344, 5430, 7240, 7320, 7442, 10860, 11041, 11163, 14884, 18605, 21720, 22082, 22326, 29768, 33123, 37210, 44164, 44652, 55205, 55815, 66246, 74420, 88328, 89304, 110410, 111630, 132492, 148840, 165615, 220820, 223260, 264984, 331230, 441640, 446520, 662460, 673501, 1324920, 1347002, 2020503, 2694004, 3367505, 4041006, 5388008, 6735010, 8082012, 10102515, 13470020, 16164024, 20205030, 26940040, 40410060, 80820120]

約数ペア:

[(1, 80820120), (2, 40410060), (3, 26940040), (4, 20205030), (5, 16164024), (6, 13470020), (8, 10102515), (10, 8082012), (12, 6735010), (15, 5388008), (20, 4041006), (24, 3367505), (30, 2694004), (40, 2020503), (60, 1347002), (61, 1324920), (120, 673501), (122, 662460), (181, 446520), (183, 441640), (244, 331230), (305, 264984), (362, 223260), (366, 220820), (488, 165615), (543, 148840), (610, 132492), (724, 111630), (732, 110410), (905, 89304), (915, 88328), (1086, 74420), (1220, 66246), (1448, 55815), (1464, 55205), (1810, 44652), (1830, 44164), (2172, 37210), (2440, 33123), (2715, 29768), (3620, 22326), (3660, 22082), (3721, 21720), (4344, 18605), (5430, 14884), (7240, 11163), (7320, 11041), (7442, 10860)]