49881780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21317}}^1$

素因数の和:21345

約数の個数: 72

約数和(自身を含む): 162954792

約数和(自身を除く): 113073012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21317, 42634, 63951, 85268, 106585, 127902, 191853, 213170, 255804, 277121, 319755, 383706, 426340, 554242, 639510, 767412, 831363, 959265, 1108484, 1279020, 1385605, 1662726, 1918530, 2494089, 2771210, 3325452, 3837060, 4156815, 4988178, 5542420, 8313630, 9976356, 12470445, 16627260, 24940890, 49881780]

約数ペア:

[(1, 49881780), (2, 24940890), (3, 16627260), (4, 12470445), (5, 9976356), (6, 8313630), (9, 5542420), (10, 4988178), (12, 4156815), (13, 3837060), (15, 3325452), (18, 2771210), (20, 2494089), (26, 1918530), (30, 1662726), (36, 1385605), (39, 1279020), (45, 1108484), (52, 959265), (60, 831363), (65, 767412), (78, 639510), (90, 554242), (117, 426340), (130, 383706), (156, 319755), (180, 277121), (195, 255804), (234, 213170), (260, 191853), (390, 127902), (468, 106585), (585, 85268), (780, 63951), (1170, 42634), (2340, 21317)]