30387680

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 72167760

約数和(自身を除く): 41780080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 739, 1028, 1285, 1478, 2056, 2570, 2956, 3695, 4112, 5140, 5912, 7390, 8224, 10280, 11824, 14780, 20560, 23648, 29560, 41120, 59120, 118240, 189923, 379846, 759692, 949615, 1519384, 1899230, 3038768, 3798460, 6077536, 7596920, 15193840, 30387680]

約数ペア:

[(1, 30387680), (2, 15193840), (4, 7596920), (5, 6077536), (8, 3798460), (10, 3038768), (16, 1899230), (20, 1519384), (32, 949615), (40, 759692), (80, 379846), (160, 189923), (257, 118240), (514, 59120), (739, 41120), (1028, 29560), (1285, 23648), (1478, 20560), (2056, 14780), (2570, 11824), (2956, 10280), (3695, 8224), (4112, 7390), (5140, 5912)]