280697120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3778

約数の個数: 96

約数和(自身を含む): 740456640

約数和(自身を除く): 459759520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 3440, 3709, 3784, 4730, 6880, 7418, 7568, 9460, 14836, 15136, 18545, 18920, 29672, 37090, 37840, 40799, 59344, 74180, 75680, 81598, 118688, 148360, 159487, 163196, 203995, 296720, 318974, 326392, 407990, 593440, 637948, 652784, 797435, 815980, 1275896, 1305568, 1594870, 1631960, 1754357, 2551792, 3189740, 3263920, 3508714, 5103584, 6379480, 6527840, 7017428, 8771785, 12758960, 14034856, 17543570, 25517920, 28069712, 35087140, 56139424, 70174280, 140348560, 280697120]

約数ペア:

[(1, 280697120), (2, 140348560), (4, 70174280), (5, 56139424), (8, 35087140), (10, 28069712), (11, 25517920), (16, 17543570), (20, 14034856), (22, 12758960), (32, 8771785), (40, 7017428), (43, 6527840), (44, 6379480), (55, 5103584), (80, 3508714), (86, 3263920), (88, 3189740), (110, 2551792), (160, 1754357), (172, 1631960), (176, 1594870), (215, 1305568), (220, 1275896), (344, 815980), (352, 797435), (430, 652784), (440, 637948), (473, 593440), (688, 407990), (860, 326392), (880, 318974), (946, 296720), (1376, 203995), (1720, 163196), (1760, 159487), (1892, 148360), (2365, 118688), (3440, 81598), (3709, 75680), (3784, 74180), (4730, 59344), (6880, 40799), (7418, 37840), (7568, 37090), (9460, 29672), (14836, 18920), (15136, 18545)]