137439680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61357}}^1$

素因数の和:61381

約数の個数: 56

約数和(自身を含む): 374038368

約数和(自身を除く): 236598688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 61357, 122714, 245428, 306785, 429499, 490856, 613570, 858998, 981712, 1227140, 1717996, 1963424, 2147495, 2454280, 3435992, 3926848, 4294990, 4908560, 6871984, 8589980, 9817120, 13743968, 17179960, 19634240, 27487936, 34359920, 68719840, 137439680]

約数ペア:

[(1, 137439680), (2, 68719840), (4, 34359920), (5, 27487936), (7, 19634240), (8, 17179960), (10, 13743968), (14, 9817120), (16, 8589980), (20, 6871984), (28, 4908560), (32, 4294990), (35, 3926848), (40, 3435992), (56, 2454280), (64, 2147495), (70, 1963424), (80, 1717996), (112, 1227140), (140, 981712), (160, 858998), (224, 613570), (280, 490856), (320, 429499), (448, 306785), (560, 245428), (1120, 122714), (2240, 61357)]