64692480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 218985984

約数和(自身を除く): 154293504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 991, 1020, 1088, 1280, 1360, 1632, 1920, 1982, 2040, 2176, 2720, 2973, 3264, 3840, 3964, 4080, 4352, 4955, 5440, 5946, 6528, 7928, 8160, 9910, 10880, 11892, 13056, 14865, 15856, 16320, 16847, 19820, 21760, 23784, 29730, 31712, 32640, 33694, 39640, 47568, 50541, 59460, 63424, 65280, 67388, 79280, 84235, 95136, 101082, 118920, 126848, 134776, 158560, 168470, 190272, 202164, 237840, 252705, 253696, 269552, 317120, 336940, 380544, 404328, 475680, 505410, 539104, 634240, 673880, 761088, 808656, 951360, 1010820, 1078208, 1268480, 1347760, 1617312, 1902720, 2021640, 2156416, 2695520, 3234624, 3805440, 4043280, 4312832, 5391040, 6469248, 8086560, 10782080, 12938496, 16173120, 21564160, 32346240, 64692480]

約数ペア:

[(1, 64692480), (2, 32346240), (3, 21564160), (4, 16173120), (5, 12938496), (6, 10782080), (8, 8086560), (10, 6469248), (12, 5391040), (15, 4312832), (16, 4043280), (17, 3805440), (20, 3234624), (24, 2695520), (30, 2156416), (32, 2021640), (34, 1902720), (40, 1617312), (48, 1347760), (51, 1268480), (60, 1078208), (64, 1010820), (68, 951360), (80, 808656), (85, 761088), (96, 673880), (102, 634240), (120, 539104), (128, 505410), (136, 475680), (160, 404328), (170, 380544), (192, 336940), (204, 317120), (240, 269552), (255, 253696), (256, 252705), (272, 237840), (320, 202164), (340, 190272), (384, 168470), (408, 158560), (480, 134776), (510, 126848), (544, 118920), (640, 101082), (680, 95136), (768, 84235), (816, 79280), (960, 67388), (991, 65280), (1020, 63424), (1088, 59460), (1280, 50541), (1360, 47568), (1632, 39640), (1920, 33694), (1982, 32640), (2040, 31712), (2176, 29730), (2720, 23784), (2973, 21760), (3264, 19820), (3840, 16847), (3964, 16320), (4080, 15856), (4352, 14865), (4955, 13056), (5440, 11892), (5946, 10880), (6528, 9910), (7928, 8160)]