127761920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 160

約数和(自身を含む): 360914400

約数和(自身を除く): 233152480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 349, 352, 416, 440, 512, 520, 572, 640, 698, 704, 715, 832, 880, 1040, 1144, 1280, 1396, 1408, 1430, 1664, 1745, 1760, 2080, 2288, 2560, 2792, 2816, 2860, 3328, 3490, 3520, 3839, 4160, 4537, 4576, 5584, 5632, 5720, 6656, 6980, 7040, 7678, 8320, 9074, 9152, 11168, 11440, 13960, 14080, 15356, 16640, 18148, 18304, 19195, 22336, 22685, 22880, 27920, 28160, 30712, 33280, 36296, 36608, 38390, 44672, 45370, 45760, 49907, 55840, 61424, 72592, 73216, 76780, 89344, 90740, 91520, 99814, 111680, 122848, 145184, 153560, 178688, 181480, 183040, 199628, 223360, 245696, 249535, 290368, 307120, 362960, 366080, 399256, 446720, 491392, 499070, 580736, 614240, 725920, 798512, 893440, 982784, 998140, 1161472, 1228480, 1451840, 1597024, 1965568, 1996280, 2322944, 2456960, 2903680, 3194048, 3992560, 4913920, 5807360, 6388096, 7985120, 9827840, 11614720, 12776192, 15970240, 25552384, 31940480, 63880960, 127761920]

約数ペア:

[(1, 127761920), (2, 63880960), (4, 31940480), (5, 25552384), (8, 15970240), (10, 12776192), (11, 11614720), (13, 9827840), (16, 7985120), (20, 6388096), (22, 5807360), (26, 4913920), (32, 3992560), (40, 3194048), (44, 2903680), (52, 2456960), (55, 2322944), (64, 1996280), (65, 1965568), (80, 1597024), (88, 1451840), (104, 1228480), (110, 1161472), (128, 998140), (130, 982784), (143, 893440), (160, 798512), (176, 725920), (208, 614240), (220, 580736), (256, 499070), (260, 491392), (286, 446720), (320, 399256), (349, 366080), (352, 362960), (416, 307120), (440, 290368), (512, 249535), (520, 245696), (572, 223360), (640, 199628), (698, 183040), (704, 181480), (715, 178688), (832, 153560), (880, 145184), (1040, 122848), (1144, 111680), (1280, 99814), (1396, 91520), (1408, 90740), (1430, 89344), (1664, 76780), (1745, 73216), (1760, 72592), (2080, 61424), (2288, 55840), (2560, 49907), (2792, 45760), (2816, 45370), (2860, 44672), (3328, 38390), (3490, 36608), (3520, 36296), (3839, 33280), (4160, 30712), (4537, 28160), (4576, 27920), (5584, 22880), (5632, 22685), (5720, 22336), (6656, 19195), (6980, 18304), (7040, 18148), (7678, 16640), (8320, 15356), (9074, 14080), (9152, 13960), (11168, 11440)]