83486720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 207567360

約数和(自身を除く): 124080640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 263, 310, 320, 496, 512, 526, 620, 640, 992, 1024, 1052, 1240, 1280, 1315, 1984, 2048, 2104, 2480, 2560, 2630, 3968, 4208, 4960, 5120, 5260, 7936, 8153, 8416, 9920, 10240, 10520, 15872, 16306, 16832, 19840, 21040, 31744, 32612, 33664, 39680, 40765, 42080, 63488, 65224, 67328, 79360, 81530, 84160, 130448, 134656, 158720, 163060, 168320, 260896, 269312, 317440, 326120, 336640, 521792, 538624, 652240, 673280, 1043584, 1304480, 1346560, 2087168, 2608960, 2693120, 4174336, 5217920, 8348672, 10435840, 16697344, 20871680, 41743360, 83486720]

約数ペア:

[(1, 83486720), (2, 41743360), (4, 20871680), (5, 16697344), (8, 10435840), (10, 8348672), (16, 5217920), (20, 4174336), (31, 2693120), (32, 2608960), (40, 2087168), (62, 1346560), (64, 1304480), (80, 1043584), (124, 673280), (128, 652240), (155, 538624), (160, 521792), (248, 336640), (256, 326120), (263, 317440), (310, 269312), (320, 260896), (496, 168320), (512, 163060), (526, 158720), (620, 134656), (640, 130448), (992, 84160), (1024, 81530), (1052, 79360), (1240, 67328), (1280, 65224), (1315, 63488), (1984, 42080), (2048, 40765), (2104, 39680), (2480, 33664), (2560, 32612), (2630, 31744), (3968, 21040), (4208, 19840), (4960, 16832), (5120, 16306), (5260, 15872), (7936, 10520), (8153, 10240), (8416, 9920)]