289871680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1032

約数の個数: 112

約数和(自身を含む): 795015936

約数和(自身を除く): 505144256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 151, 160, 224, 280, 302, 320, 448, 560, 604, 755, 857, 1057, 1120, 1208, 1510, 1714, 2114, 2240, 2416, 3020, 3428, 4228, 4285, 4832, 5285, 5999, 6040, 6856, 8456, 8570, 9664, 10570, 11998, 12080, 13712, 16912, 17140, 21140, 23996, 24160, 27424, 29995, 33824, 34280, 42280, 47992, 48320, 54848, 59990, 67648, 68560, 84560, 95984, 119980, 129407, 137120, 169120, 191968, 239960, 258814, 274240, 338240, 383936, 479920, 517628, 647035, 905849, 959840, 1035256, 1294070, 1811698, 1919680, 2070512, 2588140, 3623396, 4141024, 4529245, 5176280, 7246792, 8282048, 9058490, 10352560, 14493584, 18116980, 20705120, 28987168, 36233960, 41410240, 57974336, 72467920, 144935840, 289871680]

約数ペア:

[(1, 289871680), (2, 144935840), (4, 72467920), (5, 57974336), (7, 41410240), (8, 36233960), (10, 28987168), (14, 20705120), (16, 18116980), (20, 14493584), (28, 10352560), (32, 9058490), (35, 8282048), (40, 7246792), (56, 5176280), (64, 4529245), (70, 4141024), (80, 3623396), (112, 2588140), (140, 2070512), (151, 1919680), (160, 1811698), (224, 1294070), (280, 1035256), (302, 959840), (320, 905849), (448, 647035), (560, 517628), (604, 479920), (755, 383936), (857, 338240), (1057, 274240), (1120, 258814), (1208, 239960), (1510, 191968), (1714, 169120), (2114, 137120), (2240, 129407), (2416, 119980), (3020, 95984), (3428, 84560), (4228, 68560), (4285, 67648), (4832, 59990), (5285, 54848), (5999, 48320), (6040, 47992), (6856, 42280), (8456, 34280), (8570, 33824), (9664, 29995), (10570, 27424), (11998, 24160), (12080, 23996), (13712, 21140), (16912, 17140)]