81981000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{9109}}^1$

素因数の和:9136

約数の個数: 96

約数和(自身を含む): 277126200

約数和(自身を除く): 195145200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 4500, 9000, 9109, 18218, 27327, 36436, 45545, 54654, 72872, 81981, 91090, 109308, 136635, 163962, 182180, 218616, 227725, 273270, 327924, 364360, 409905, 455450, 546540, 655848, 683175, 819810, 910900, 1093080, 1138625, 1366350, 1639620, 1821800, 2049525, 2277250, 2732700, 3279240, 3415875, 4099050, 4554500, 5465400, 6831750, 8198100, 9109000, 10247625, 13663500, 16396200, 20495250, 27327000, 40990500, 81981000]

約数ペア:

[(1, 81981000), (2, 40990500), (3, 27327000), (4, 20495250), (5, 16396200), (6, 13663500), (8, 10247625), (9, 9109000), (10, 8198100), (12, 6831750), (15, 5465400), (18, 4554500), (20, 4099050), (24, 3415875), (25, 3279240), (30, 2732700), (36, 2277250), (40, 2049525), (45, 1821800), (50, 1639620), (60, 1366350), (72, 1138625), (75, 1093080), (90, 910900), (100, 819810), (120, 683175), (125, 655848), (150, 546540), (180, 455450), (200, 409905), (225, 364360), (250, 327924), (300, 273270), (360, 227725), (375, 218616), (450, 182180), (500, 163962), (600, 136635), (750, 109308), (900, 91090), (1000, 81981), (1125, 72872), (1500, 54654), (1800, 45545), (2250, 36436), (3000, 27327), (4500, 18218), (9000, 9109)]