128209920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 176

約数和(自身を含む): 435077568

約数和(自身を除く): 306867648

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, 491, 510, 512, 544, 640, 680, 768, 816, 960, 982, 1020, 1024, 1088, 1280, 1360, 1473, 1536, 1632, 1920, 1964, 2040, 2176, 2455, 2560, 2720, 2946, 3072, 3264, 3840, 3928, 4080, 4352, 4910, 5120, 5440, 5892, 6528, 7365, 7680, 7856, 8160, 8347, 8704, 9820, 10880, 11784, 13056, 14730, 15360, 15712, 16320, 16694, 17408, 19640, 21760, 23568, 25041, 26112, 29460, 31424, 32640, 33388, 39280, 41735, 43520, 47136, 50082, 52224, 58920, 62848, 65280, 66776, 78560, 83470, 87040, 94272, 100164, 117840, 125205, 125696, 130560, 133552, 157120, 166940, 188544, 200328, 235680, 250410, 251392, 261120, 267104, 314240, 333880, 377088, 400656, 471360, 500820, 502784, 534208, 628480, 667760, 754176, 801312, 942720, 1001640, 1068416, 1256960, 1335520, 1508352, 1602624, 1885440, 2003280, 2136832, 2513920, 2671040, 3205248, 3770880, 4006560, 4273664, 5342080, 6410496, 7541760, 8013120, 8547328, 10684160, 12820992, 16026240, 21368320, 25641984, 32052480, 42736640, 64104960, 128209920]

約数ペア:

[(1, 128209920), (2, 64104960), (3, 42736640), (4, 32052480), (5, 25641984), (6, 21368320), (8, 16026240), (10, 12820992), (12, 10684160), (15, 8547328), (16, 8013120), (17, 7541760), (20, 6410496), (24, 5342080), (30, 4273664), (32, 4006560), (34, 3770880), (40, 3205248), (48, 2671040), (51, 2513920), (60, 2136832), (64, 2003280), (68, 1885440), (80, 1602624), (85, 1508352), (96, 1335520), (102, 1256960), (120, 1068416), (128, 1001640), (136, 942720), (160, 801312), (170, 754176), (192, 667760), (204, 628480), (240, 534208), (255, 502784), (256, 500820), (272, 471360), (320, 400656), (340, 377088), (384, 333880), (408, 314240), (480, 267104), (491, 261120), (510, 251392), (512, 250410), (544, 235680), (640, 200328), (680, 188544), (768, 166940), (816, 157120), (960, 133552), (982, 130560), (1020, 125696), (1024, 125205), (1088, 117840), (1280, 100164), (1360, 94272), (1473, 87040), (1536, 83470), (1632, 78560), (1920, 66776), (1964, 65280), (2040, 62848), (2176, 58920), (2455, 52224), (2560, 50082), (2720, 47136), (2946, 43520), (3072, 41735), (3264, 39280), (3840, 33388), (3928, 32640), (4080, 31424), (4352, 29460), (4910, 26112), (5120, 25041), (5440, 23568), (5892, 21760), (6528, 19640), (7365, 17408), (7680, 16694), (7856, 16320), (8160, 15712), (8347, 15360), (8704, 14730), (9820, 13056), (10880, 11784)]