161640240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 512248464

約数和(自身を除く): 350608224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 181, 183, 240, 244, 305, 362, 366, 488, 543, 610, 724, 732, 905, 915, 976, 1086, 1220, 1448, 1464, 1810, 1830, 2172, 2440, 2715, 2896, 2928, 3620, 3660, 3721, 4344, 4880, 5430, 7240, 7320, 7442, 8688, 10860, 11041, 11163, 14480, 14640, 14884, 18605, 21720, 22082, 22326, 29768, 33123, 37210, 43440, 44164, 44652, 55205, 55815, 59536, 66246, 74420, 88328, 89304, 110410, 111630, 132492, 148840, 165615, 176656, 178608, 220820, 223260, 264984, 297680, 331230, 441640, 446520, 529968, 662460, 673501, 883280, 893040, 1324920, 1347002, 2020503, 2649840, 2694004, 3367505, 4041006, 5388008, 6735010, 8082012, 10102515, 10776016, 13470020, 16164024, 20205030, 26940040, 32328048, 40410060, 53880080, 80820120, 161640240]

約数ペア:

[(1, 161640240), (2, 80820120), (3, 53880080), (4, 40410060), (5, 32328048), (6, 26940040), (8, 20205030), (10, 16164024), (12, 13470020), (15, 10776016), (16, 10102515), (20, 8082012), (24, 6735010), (30, 5388008), (40, 4041006), (48, 3367505), (60, 2694004), (61, 2649840), (80, 2020503), (120, 1347002), (122, 1324920), (181, 893040), (183, 883280), (240, 673501), (244, 662460), (305, 529968), (362, 446520), (366, 441640), (488, 331230), (543, 297680), (610, 264984), (724, 223260), (732, 220820), (905, 178608), (915, 176656), (976, 165615), (1086, 148840), (1220, 132492), (1448, 111630), (1464, 110410), (1810, 89304), (1830, 88328), (2172, 74420), (2440, 66246), (2715, 59536), (2896, 55815), (2928, 55205), (3620, 44652), (3660, 44164), (3721, 43440), (4344, 37210), (4880, 33123), (5430, 29768), (7240, 22326), (7320, 22082), (7442, 21720), (8688, 18605), (10860, 14884), (11041, 14640), (11163, 14480)]