76538720

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1647

約数の個数: 48

約数和(自身を含む): 181440000

約数和(自身を除く): 104901280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 766, 1249, 1532, 1915, 2498, 3064, 3830, 4996, 6128, 6245, 7660, 9992, 12256, 12490, 15320, 19984, 24980, 30640, 39968, 49960, 61280, 99920, 199840, 478367, 956734, 1913468, 2391835, 3826936, 4783670, 7653872, 9567340, 15307744, 19134680, 38269360, 76538720]

約数ペア:

[(1, 76538720), (2, 38269360), (4, 19134680), (5, 15307744), (8, 9567340), (10, 7653872), (16, 4783670), (20, 3826936), (32, 2391835), (40, 1913468), (80, 956734), (160, 478367), (383, 199840), (766, 99920), (1249, 61280), (1532, 49960), (1915, 39968), (2498, 30640), (3064, 24980), (3830, 19984), (4996, 15320), (6128, 12490), (6245, 12256), (7660, 9992)]