280889760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 192

約数和(自身を含む): 936714240

約数和(自身を除く): 655824480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 439, 465, 480, 496, 516, 620, 645, 688, 744, 860, 878, 930, 992, 1032, 1240, 1290, 1317, 1333, 1376, 1488, 1720, 1756, 1860, 2064, 2195, 2480, 2580, 2634, 2666, 2976, 3440, 3512, 3720, 3999, 4128, 4390, 4960, 5160, 5268, 5332, 6585, 6665, 6880, 7024, 7440, 7998, 8780, 10320, 10536, 10664, 13170, 13330, 13609, 14048, 14880, 15996, 17560, 18877, 19995, 20640, 21072, 21328, 26340, 26660, 27218, 31992, 35120, 37754, 39990, 40827, 42144, 42656, 52680, 53320, 54436, 56631, 63984, 68045, 70240, 75508, 79980, 81654, 94385, 105360, 106640, 108872, 113262, 127968, 136090, 151016, 159960, 163308, 188770, 204135, 210720, 213280, 217744, 226524, 272180, 283155, 302032, 319920, 326616, 377540, 408270, 435488, 453048, 544360, 566310, 585187, 604064, 639840, 653232, 755080, 816540, 906096, 1088720, 1132620, 1170374, 1306464, 1510160, 1633080, 1755561, 1812192, 2177440, 2265240, 2340748, 2925935, 3020320, 3266160, 3511122, 4530480, 4681496, 5851870, 6532320, 7022244, 8777805, 9060960, 9362992, 11703740, 14044488, 17555610, 18725984, 23407480, 28088976, 35111220, 46814960, 56177952, 70222440, 93629920, 140444880, 280889760]

約数ペア:

[(1, 280889760), (2, 140444880), (3, 93629920), (4, 70222440), (5, 56177952), (6, 46814960), (8, 35111220), (10, 28088976), (12, 23407480), (15, 18725984), (16, 17555610), (20, 14044488), (24, 11703740), (30, 9362992), (31, 9060960), (32, 8777805), (40, 7022244), (43, 6532320), (48, 5851870), (60, 4681496), (62, 4530480), (80, 3511122), (86, 3266160), (93, 3020320), (96, 2925935), (120, 2340748), (124, 2265240), (129, 2177440), (155, 1812192), (160, 1755561), (172, 1633080), (186, 1510160), (215, 1306464), (240, 1170374), (248, 1132620), (258, 1088720), (310, 906096), (344, 816540), (372, 755080), (430, 653232), (439, 639840), (465, 604064), (480, 585187), (496, 566310), (516, 544360), (620, 453048), (645, 435488), (688, 408270), (744, 377540), (860, 326616), (878, 319920), (930, 302032), (992, 283155), (1032, 272180), (1240, 226524), (1290, 217744), (1317, 213280), (1333, 210720), (1376, 204135), (1488, 188770), (1720, 163308), (1756, 159960), (1860, 151016), (2064, 136090), (2195, 127968), (2480, 113262), (2580, 108872), (2634, 106640), (2666, 105360), (2976, 94385), (3440, 81654), (3512, 79980), (3720, 75508), (3999, 70240), (4128, 68045), (4390, 63984), (4960, 56631), (5160, 54436), (5268, 53320), (5332, 52680), (6585, 42656), (6665, 42144), (6880, 40827), (7024, 39990), (7440, 37754), (7998, 35120), (8780, 31992), (10320, 27218), (10536, 26660), (10664, 26340), (13170, 21328), (13330, 21072), (13609, 20640), (14048, 19995), (14880, 18877), (15996, 17560)]