20009047680

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{128659}}^1$

素因数の和:128693

約数の個数: 192

約数和(自身を含む): 71653327200

約数和(自身を除く): 51644279520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5184, 5760, 6480, 7776, 8640, 9720, 10368, 12960, 15552, 17280, 19440, 25920, 31104, 38880, 51840, 77760, 128659, 155520, 257318, 385977, 514636, 643295, 771954, 1029272, 1157931, 1286590, 1543908, 1929885, 2058544, 2315862, 2573180, 3087816, 3473793, 3859770, 4117088, 4631724, 5146360, 5789655, 6175632, 6947586, 7719540, 8234176, 9263448, 10292720, 10421379, 11579310, 12351264, 13895172, 15439080, 16468352, 17368965, 18526896, 20585440, 20842758, 23158620, 24702528, 27790344, 30878160, 31264137, 34737930, 37053792, 41170880, 41685516, 46317240, 49405056, 52106895, 55580688, 61756320, 62528274, 69475860, 74107584, 82341760, 83371032, 92634480, 104213790, 111161376, 123512640, 125056548, 138951720, 148215168, 156320685, 166742064, 185268960, 208427580, 222322752, 247025280, 250113096, 277903440, 312641370, 333484128, 370537920, 416855160, 444645504, 500226192, 555806880, 625282740, 666968256, 741075840, 833710320, 1000452384, 1111613760, 1250565480, 1333936512, 1667420640, 2000904768, 2223227520, 2501130960, 3334841280, 4001809536, 5002261920, 6669682560, 10004523840, 20009047680]

約数ペア:

[(1, 20009047680), (2, 10004523840), (3, 6669682560), (4, 5002261920), (5, 4001809536), (6, 3334841280), (8, 2501130960), (9, 2223227520), (10, 2000904768), (12, 1667420640), (15, 1333936512), (16, 1250565480), (18, 1111613760), (20, 1000452384), (24, 833710320), (27, 741075840), (30, 666968256), (32, 625282740), (36, 555806880), (40, 500226192), (45, 444645504), (48, 416855160), (54, 370537920), (60, 333484128), (64, 312641370), (72, 277903440), (80, 250113096), (81, 247025280), (90, 222322752), (96, 208427580), (108, 185268960), (120, 166742064), (128, 156320685), (135, 148215168), (144, 138951720), (160, 125056548), (162, 123512640), (180, 111161376), (192, 104213790), (216, 92634480), (240, 83371032), (243, 82341760), (270, 74107584), (288, 69475860), (320, 62528274), (324, 61756320), (360, 55580688), (384, 52106895), (405, 49405056), (432, 46317240), (480, 41685516), (486, 41170880), (540, 37053792), (576, 34737930), (640, 31264137), (648, 30878160), (720, 27790344), (810, 24702528), (864, 23158620), (960, 20842758), (972, 20585440), (1080, 18526896), (1152, 17368965), (1215, 16468352), (1296, 15439080), (1440, 13895172), (1620, 12351264), (1728, 11579310), (1920, 10421379), (1944, 10292720), (2160, 9263448), (2430, 8234176), (2592, 7719540), (2880, 6947586), (3240, 6175632), (3456, 5789655), (3888, 5146360), (4320, 4631724), (4860, 4117088), (5184, 3859770), (5760, 3473793), (6480, 3087816), (7776, 2573180), (8640, 2315862), (9720, 2058544), (10368, 1929885), (12960, 1543908), (15552, 1286590), (17280, 1157931), (19440, 1029272), (25920, 771954), (31104, 643295), (38880, 514636), (51840, 385977), (77760, 257318), (128659, 155520)]