209724720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8017}}^1$

素因数の和:8142

約数の個数: 80

約数和(自身を含む): 656193120

約数和(自身を除く): 446468400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8017, 8720, 13080, 16034, 24051, 26160, 32068, 40085, 48102, 64136, 80170, 96204, 120255, 128272, 160340, 192408, 240510, 320680, 384816, 481020, 641360, 873853, 962040, 1747706, 1924080, 2621559, 3495412, 4369265, 5243118, 6990824, 8738530, 10486236, 13107795, 13981648, 17477060, 20972472, 26215590, 34954120, 41944944, 52431180, 69908240, 104862360, 209724720]

約数ペア:

[(1, 209724720), (2, 104862360), (3, 69908240), (4, 52431180), (5, 41944944), (6, 34954120), (8, 26215590), (10, 20972472), (12, 17477060), (15, 13981648), (16, 13107795), (20, 10486236), (24, 8738530), (30, 6990824), (40, 5243118), (48, 4369265), (60, 3495412), (80, 2621559), (109, 1924080), (120, 1747706), (218, 962040), (240, 873853), (327, 641360), (436, 481020), (545, 384816), (654, 320680), (872, 240510), (1090, 192408), (1308, 160340), (1635, 128272), (1744, 120255), (2180, 96204), (2616, 80170), (3270, 64136), (4360, 48102), (5232, 40085), (6540, 32068), (8017, 26160), (8720, 24051), (13080, 16034)]