30189880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 80479440

約数和(自身を除く): 50289560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 211, 245, 280, 292, 365, 392, 422, 490, 511, 584, 730, 844, 980, 1022, 1055, 1460, 1477, 1688, 1960, 2044, 2110, 2555, 2920, 2954, 3577, 4088, 4220, 5110, 5908, 7154, 7385, 8440, 10220, 10339, 11816, 14308, 14770, 15403, 17885, 20440, 20678, 28616, 29540, 30806, 35770, 41356, 51695, 59080, 61612, 71540, 77015, 82712, 103390, 107821, 123224, 143080, 154030, 206780, 215642, 308060, 413560, 431284, 539105, 616120, 754747, 862568, 1078210, 1509494, 2156420, 3018988, 3773735, 4312840, 6037976, 7547470, 15094940, 30189880]

約数ペア:

[(1, 30189880), (2, 15094940), (4, 7547470), (5, 6037976), (7, 4312840), (8, 3773735), (10, 3018988), (14, 2156420), (20, 1509494), (28, 1078210), (35, 862568), (40, 754747), (49, 616120), (56, 539105), (70, 431284), (73, 413560), (98, 308060), (140, 215642), (146, 206780), (196, 154030), (211, 143080), (245, 123224), (280, 107821), (292, 103390), (365, 82712), (392, 77015), (422, 71540), (490, 61612), (511, 59080), (584, 51695), (730, 41356), (844, 35770), (980, 30806), (1022, 29540), (1055, 28616), (1460, 20678), (1477, 20440), (1688, 17885), (1960, 15403), (2044, 14770), (2110, 14308), (2555, 11816), (2920, 10339), (2954, 10220), (3577, 8440), (4088, 7385), (4220, 7154), (5110, 5908)]