779523520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 1931212800

約数和(自身を除く): 1151689280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 179, 248, 310, 320, 358, 439, 496, 620, 716, 878, 895, 992, 1240, 1432, 1756, 1790, 1984, 2195, 2480, 2864, 3512, 3580, 4390, 4960, 5549, 5728, 7024, 7160, 8780, 9920, 11098, 11456, 13609, 14048, 14320, 17560, 22196, 27218, 27745, 28096, 28640, 35120, 44392, 54436, 55490, 57280, 68045, 70240, 78581, 88784, 108872, 110980, 136090, 140480, 157162, 177568, 217744, 221960, 272180, 314324, 355136, 392905, 435488, 443920, 544360, 628648, 785810, 870976, 887840, 1088720, 1257296, 1571620, 1775680, 2177440, 2436011, 2514592, 3143240, 4354880, 4872022, 5029184, 6286480, 9744044, 12180055, 12572960, 19488088, 24360110, 25145920, 38976176, 48720220, 77952352, 97440440, 155904704, 194880880, 389761760, 779523520]

約数ペア:

[(1, 779523520), (2, 389761760), (4, 194880880), (5, 155904704), (8, 97440440), (10, 77952352), (16, 48720220), (20, 38976176), (31, 25145920), (32, 24360110), (40, 19488088), (62, 12572960), (64, 12180055), (80, 9744044), (124, 6286480), (155, 5029184), (160, 4872022), (179, 4354880), (248, 3143240), (310, 2514592), (320, 2436011), (358, 2177440), (439, 1775680), (496, 1571620), (620, 1257296), (716, 1088720), (878, 887840), (895, 870976), (992, 785810), (1240, 628648), (1432, 544360), (1756, 443920), (1790, 435488), (1984, 392905), (2195, 355136), (2480, 314324), (2864, 272180), (3512, 221960), (3580, 217744), (4390, 177568), (4960, 157162), (5549, 140480), (5728, 136090), (7024, 110980), (7160, 108872), (8780, 88784), (9920, 78581), (11098, 70240), (11456, 68045), (13609, 57280), (14048, 55490), (14320, 54436), (17560, 44392), (22196, 35120), (27218, 28640), (27745, 28096)]