30176560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19853}}^1$

素因数の和:19885

約数の個数: 40

約数和(自身を含む): 73856880

約数和(自身を除く): 43680320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19853, 39706, 79412, 99265, 158824, 198530, 317648, 377207, 397060, 754414, 794120, 1508828, 1588240, 1886035, 3017656, 3772070, 6035312, 7544140, 15088280, 30176560]

約数ペア:

[(1, 30176560), (2, 15088280), (4, 7544140), (5, 6035312), (8, 3772070), (10, 3017656), (16, 1886035), (19, 1588240), (20, 1508828), (38, 794120), (40, 754414), (76, 397060), (80, 377207), (95, 317648), (152, 198530), (190, 158824), (304, 99265), (380, 79412), (760, 39706), (1520, 19853)]