30489760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3889}}^1$

素因数の和:3918

約数の個数: 72

約数和(自身を含む): 83813940

約数和(自身を除く): 53324180

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3889, 3920, 7778, 7840, 15556, 19445, 27223, 31112, 38890, 54446, 62224, 77780, 108892, 124448, 136115, 155560, 190561, 217784, 272230, 311120, 381122, 435568, 544460, 622240, 762244, 871136, 952805, 1088920, 1524488, 1905610, 2177840, 3048976, 3811220, 4355680, 6097952, 7622440, 15244880, 30489760]

約数ペア:

[(1, 30489760), (2, 15244880), (4, 7622440), (5, 6097952), (7, 4355680), (8, 3811220), (10, 3048976), (14, 2177840), (16, 1905610), (20, 1524488), (28, 1088920), (32, 952805), (35, 871136), (40, 762244), (49, 622240), (56, 544460), (70, 435568), (80, 381122), (98, 311120), (112, 272230), (140, 217784), (160, 190561), (196, 155560), (224, 136115), (245, 124448), (280, 108892), (392, 77780), (490, 62224), (560, 54446), (784, 38890), (980, 31112), (1120, 27223), (1568, 19445), (1960, 15556), (3889, 7840), (3920, 7778)]