639813240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161569}}^1$

素因数の和:161597

約数の個数: 96

約数和(自身を含む): 2268442800

約数和(自身を除く): 1628629560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 161569, 323138, 484707, 646276, 807845, 969414, 1292552, 1454121, 1615690, 1777259, 1938828, 2423535, 2908242, 3231380, 3554518, 3877656, 4847070, 5331777, 5816484, 6462760, 7109036, 7270605, 8886295, 9694140, 10663554, 11632968, 14218072, 14541210, 15995331, 17772590, 19388280, 21327108, 26658885, 29082420, 31990662, 35545180, 42654216, 53317770, 58164840, 63981324, 71090360, 79976655, 106635540, 127962648, 159953310, 213271080, 319906620, 639813240]

約数ペア:

[(1, 639813240), (2, 319906620), (3, 213271080), (4, 159953310), (5, 127962648), (6, 106635540), (8, 79976655), (9, 71090360), (10, 63981324), (11, 58164840), (12, 53317770), (15, 42654216), (18, 35545180), (20, 31990662), (22, 29082420), (24, 26658885), (30, 21327108), (33, 19388280), (36, 17772590), (40, 15995331), (44, 14541210), (45, 14218072), (55, 11632968), (60, 10663554), (66, 9694140), (72, 8886295), (88, 7270605), (90, 7109036), (99, 6462760), (110, 5816484), (120, 5331777), (132, 4847070), (165, 3877656), (180, 3554518), (198, 3231380), (220, 2908242), (264, 2423535), (330, 1938828), (360, 1777259), (396, 1615690), (440, 1454121), (495, 1292552), (660, 969414), (792, 807845), (990, 646276), (1320, 484707), (1980, 323138), (3960, 161569)]