320460660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136949}}^1$

素因数の和:136977

約数の個数: 72

約数和(自身を含む): 1046845800

約数和(自身を除く): 726385140

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, 136949, 273898, 410847, 547796, 684745, 821694, 1232541, 1369490, 1643388, 1780337, 2054235, 2465082, 2738980, 3560674, 4108470, 4930164, 5341011, 6162705, 7121348, 8216940, 8901685, 10682022, 12325410, 16023033, 17803370, 21364044, 24650820, 26705055, 32046066, 35606740, 53410110, 64092132, 80115165, 106820220, 160230330, 320460660]

約数ペア:

[(1, 320460660), (2, 160230330), (3, 106820220), (4, 80115165), (5, 64092132), (6, 53410110), (9, 35606740), (10, 32046066), (12, 26705055), (13, 24650820), (15, 21364044), (18, 17803370), (20, 16023033), (26, 12325410), (30, 10682022), (36, 8901685), (39, 8216940), (45, 7121348), (52, 6162705), (60, 5341011), (65, 4930164), (78, 4108470), (90, 3560674), (117, 2738980), (130, 2465082), (156, 2054235), (180, 1780337), (195, 1643388), (234, 1369490), (260, 1232541), (390, 821694), (468, 684745), (585, 547796), (780, 410847), (1170, 273898), (2340, 136949)]