639827640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{34849}}^1$

素因数の和:34886

約数の個数: 128

約数和(自身を含む): 2258280000

約数和(自身を除く): 1618452360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4590, 6120, 9180, 18360, 34849, 69698, 104547, 139396, 174245, 209094, 278792, 313641, 348490, 418188, 522735, 592433, 627282, 696980, 836376, 940923, 1045470, 1184866, 1254564, 1393960, 1568205, 1777299, 1881846, 2090940, 2369732, 2509128, 2962165, 3136410, 3554598, 3763692, 4181880, 4704615, 4739464, 5331897, 5924330, 6272820, 7109196, 7527384, 8886495, 9409230, 10663794, 11848660, 12545640, 14218392, 15995691, 17772990, 18818460, 21327588, 23697320, 26659485, 31991382, 35545980, 37636920, 42655176, 53318970, 63982764, 71091960, 79978455, 106637940, 127965528, 159956910, 213275880, 319913820, 639827640]

約数ペア:

[(1, 639827640), (2, 319913820), (3, 213275880), (4, 159956910), (5, 127965528), (6, 106637940), (8, 79978455), (9, 71091960), (10, 63982764), (12, 53318970), (15, 42655176), (17, 37636920), (18, 35545980), (20, 31991382), (24, 26659485), (27, 23697320), (30, 21327588), (34, 18818460), (36, 17772990), (40, 15995691), (45, 14218392), (51, 12545640), (54, 11848660), (60, 10663794), (68, 9409230), (72, 8886495), (85, 7527384), (90, 7109196), (102, 6272820), (108, 5924330), (120, 5331897), (135, 4739464), (136, 4704615), (153, 4181880), (170, 3763692), (180, 3554598), (204, 3136410), (216, 2962165), (255, 2509128), (270, 2369732), (306, 2090940), (340, 1881846), (360, 1777299), (408, 1568205), (459, 1393960), (510, 1254564), (540, 1184866), (612, 1045470), (680, 940923), (765, 836376), (918, 696980), (1020, 627282), (1080, 592433), (1224, 522735), (1530, 418188), (1836, 348490), (2040, 313641), (2295, 278792), (3060, 209094), (3672, 174245), (4590, 139396), (6120, 104547), (9180, 69698), (18360, 34849)]