815705280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21787}}^1$

素因数の和:21823

約数の個数: 168

約数和(自身を含む): 3021646992

約数和(自身を除く): 2205941712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 18720, 21787, 37440, 43574, 65361, 87148, 108935, 130722, 174296, 196083, 217870, 261444, 283231, 326805, 348592, 392166, 435740, 522888, 566462, 653610, 697184, 784332, 849693, 871480, 980415, 1045776, 1132924, 1307220, 1394368, 1416155, 1568664, 1699386, 1742960, 1960830, 2091552, 2265848, 2549079, 2614440, 2832310, 3137328, 3398772, 3485920, 3921660, 4183104, 4248465, 4531696, 5098158, 5228880, 5664620, 6274656, 6797544, 6971840, 7843320, 8496930, 9063392, 10196316, 10457760, 11329240, 12549312, 12745395, 13595088, 15686640, 16993860, 18126784, 20392632, 20915520, 22658480, 25490790, 27190176, 31373280, 33987720, 40785264, 45316960, 50981580, 54380352, 62746560, 67975440, 81570528, 90633920, 101963160, 135950880, 163141056, 203926320, 271901760, 407852640, 815705280]

約数ペア:

[(1, 815705280), (2, 407852640), (3, 271901760), (4, 203926320), (5, 163141056), (6, 135950880), (8, 101963160), (9, 90633920), (10, 81570528), (12, 67975440), (13, 62746560), (15, 54380352), (16, 50981580), (18, 45316960), (20, 40785264), (24, 33987720), (26, 31373280), (30, 27190176), (32, 25490790), (36, 22658480), (39, 20915520), (40, 20392632), (45, 18126784), (48, 16993860), (52, 15686640), (60, 13595088), (64, 12745395), (65, 12549312), (72, 11329240), (78, 10457760), (80, 10196316), (90, 9063392), (96, 8496930), (104, 7843320), (117, 6971840), (120, 6797544), (130, 6274656), (144, 5664620), (156, 5228880), (160, 5098158), (180, 4531696), (192, 4248465), (195, 4183104), (208, 3921660), (234, 3485920), (240, 3398772), (260, 3137328), (288, 2832310), (312, 2614440), (320, 2549079), (360, 2265848), (390, 2091552), (416, 1960830), (468, 1742960), (480, 1699386), (520, 1568664), (576, 1416155), (585, 1394368), (624, 1307220), (720, 1132924), (780, 1045776), (832, 980415), (936, 871480), (960, 849693), (1040, 784332), (1170, 697184), (1248, 653610), (1440, 566462), (1560, 522888), (1872, 435740), (2080, 392166), (2340, 348592), (2496, 326805), (2880, 283231), (3120, 261444), (3744, 217870), (4160, 196083), (4680, 174296), (6240, 130722), (7488, 108935), (9360, 87148), (12480, 65361), (18720, 43574), (21787, 37440)]