1020231680

素因数分解:

$2^{15}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 2642371200

約数和(自身を除く): 1622139520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 479, 512, 520, 640, 832, 958, 1024, 1040, 1280, 1664, 1916, 2048, 2080, 2395, 2560, 3328, 3832, 4096, 4160, 4790, 5120, 6227, 6656, 7664, 8192, 8320, 9580, 10240, 12454, 13312, 15328, 16384, 16640, 19160, 20480, 24908, 26624, 30656, 31135, 32768, 33280, 38320, 40960, 49816, 53248, 61312, 62270, 66560, 76640, 81920, 99632, 106496, 122624, 124540, 133120, 153280, 163840, 199264, 212992, 245248, 249080, 266240, 306560, 398528, 425984, 490496, 498160, 532480, 613120, 797056, 980992, 996320, 1064960, 1226240, 1594112, 1961984, 1992640, 2129920, 2452480, 3188224, 3923968, 3985280, 4904960, 6376448, 7847936, 7970560, 9809920, 12752896, 15695872, 15941120, 19619840, 25505792, 31882240, 39239680, 51011584, 63764480, 78479360, 102023168, 127528960, 204046336, 255057920, 510115840, 1020231680]

約数ペア:

[(1, 1020231680), (2, 510115840), (4, 255057920), (5, 204046336), (8, 127528960), (10, 102023168), (13, 78479360), (16, 63764480), (20, 51011584), (26, 39239680), (32, 31882240), (40, 25505792), (52, 19619840), (64, 15941120), (65, 15695872), (80, 12752896), (104, 9809920), (128, 7970560), (130, 7847936), (160, 6376448), (208, 4904960), (256, 3985280), (260, 3923968), (320, 3188224), (416, 2452480), (479, 2129920), (512, 1992640), (520, 1961984), (640, 1594112), (832, 1226240), (958, 1064960), (1024, 996320), (1040, 980992), (1280, 797056), (1664, 613120), (1916, 532480), (2048, 498160), (2080, 490496), (2395, 425984), (2560, 398528), (3328, 306560), (3832, 266240), (4096, 249080), (4160, 245248), (4790, 212992), (5120, 199264), (6227, 163840), (6656, 153280), (7664, 133120), (8192, 124540), (8320, 122624), (9580, 106496), (10240, 99632), (12454, 81920), (13312, 76640), (15328, 66560), (16384, 62270), (16640, 61312), (19160, 53248), (20480, 49816), (24908, 40960), (26624, 38320), (30656, 33280), (31135, 32768)]