18231000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 58406400

約数和(自身を除く): 40175400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 59, 60, 75, 100, 103, 118, 120, 125, 150, 177, 200, 206, 236, 250, 295, 300, 309, 354, 375, 412, 472, 500, 515, 590, 600, 618, 708, 750, 824, 885, 1000, 1030, 1180, 1236, 1416, 1475, 1500, 1545, 1770, 2060, 2360, 2472, 2575, 2950, 3000, 3090, 3540, 4120, 4425, 5150, 5900, 6077, 6180, 7080, 7375, 7725, 8850, 10300, 11800, 12154, 12360, 12875, 14750, 15450, 17700, 18231, 20600, 22125, 24308, 25750, 29500, 30385, 30900, 35400, 36462, 38625, 44250, 48616, 51500, 59000, 60770, 61800, 72924, 77250, 88500, 91155, 103000, 121540, 145848, 151925, 154500, 177000, 182310, 243080, 303850, 309000, 364620, 455775, 607700, 729240, 759625, 911550, 1215400, 1519250, 1823100, 2278875, 3038500, 3646200, 4557750, 6077000, 9115500, 18231000]

約数ペア:

[(1, 18231000), (2, 9115500), (3, 6077000), (4, 4557750), (5, 3646200), (6, 3038500), (8, 2278875), (10, 1823100), (12, 1519250), (15, 1215400), (20, 911550), (24, 759625), (25, 729240), (30, 607700), (40, 455775), (50, 364620), (59, 309000), (60, 303850), (75, 243080), (100, 182310), (103, 177000), (118, 154500), (120, 151925), (125, 145848), (150, 121540), (177, 103000), (200, 91155), (206, 88500), (236, 77250), (250, 72924), (295, 61800), (300, 60770), (309, 59000), (354, 51500), (375, 48616), (412, 44250), (472, 38625), (500, 36462), (515, 35400), (590, 30900), (600, 30385), (618, 29500), (708, 25750), (750, 24308), (824, 22125), (885, 20600), (1000, 18231), (1030, 17700), (1180, 15450), (1236, 14750), (1416, 12875), (1475, 12360), (1500, 12154), (1545, 11800), (1770, 10300), (2060, 8850), (2360, 7725), (2472, 7375), (2575, 7080), (2950, 6180), (3000, 6077), (3090, 5900), (3540, 5150), (4120, 4425)]