1427840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 3598560

約数和(自身を除く): 2170720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 97, 115, 128, 160, 184, 194, 230, 320, 368, 388, 460, 485, 640, 736, 776, 920, 970, 1472, 1552, 1840, 1940, 2231, 2944, 3104, 3680, 3880, 4462, 6208, 7360, 7760, 8924, 11155, 12416, 14720, 15520, 17848, 22310, 31040, 35696, 44620, 62080, 71392, 89240, 142784, 178480, 285568, 356960, 713920, 1427840]

約数ペア:

[(1, 1427840), (2, 713920), (4, 356960), (5, 285568), (8, 178480), (10, 142784), (16, 89240), (20, 71392), (23, 62080), (32, 44620), (40, 35696), (46, 31040), (64, 22310), (80, 17848), (92, 15520), (97, 14720), (115, 12416), (128, 11155), (160, 8924), (184, 7760), (194, 7360), (230, 6208), (320, 4462), (368, 3880), (388, 3680), (460, 3104), (485, 2944), (640, 2231), (736, 1940), (776, 1840), (920, 1552), (970, 1472)]