68719840

素因数分解:

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

素因数の和:61379

約数の個数: 48

約数和(自身を含む): 185546592

約数和(自身を除く): 116826752

約数列:

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

約数ペア:

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