40815990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23869}}^1$

素因数の和:23901

約数の個数: 48

約数和(自身を含む): 111711600

約数和(自身を除く): 70895610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 23869, 47738, 71607, 119345, 143214, 214821, 238690, 358035, 429642, 453511, 716070, 907022, 1074105, 1360533, 2148210, 2267555, 2721066, 4081599, 4535110, 6802665, 8163198, 13605330, 20407995, 40815990]

約数ペア:

[(1, 40815990), (2, 20407995), (3, 13605330), (5, 8163198), (6, 6802665), (9, 4535110), (10, 4081599), (15, 2721066), (18, 2267555), (19, 2148210), (30, 1360533), (38, 1074105), (45, 907022), (57, 716070), (90, 453511), (95, 429642), (114, 358035), (171, 238690), (190, 214821), (285, 143214), (342, 119345), (570, 71607), (855, 47738), (1710, 23869)]