126691840

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 120

約数和(自身を含む): 334705140

約数和(自身を除く): 208013300

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 409, 440, 484, 512, 605, 640, 704, 818, 880, 968, 1210, 1280, 1408, 1636, 1760, 1936, 2045, 2420, 2560, 2816, 3272, 3520, 3872, 4090, 4499, 4840, 5632, 6544, 7040, 7744, 8180, 8998, 9680, 13088, 14080, 15488, 16360, 17996, 19360, 22495, 26176, 28160, 30976, 32720, 35992, 38720, 44990, 49489, 52352, 61952, 65440, 71984, 77440, 89980, 98978, 104704, 130880, 143968, 154880, 179960, 197956, 209408, 247445, 261760, 287936, 309760, 359920, 395912, 494890, 523520, 575872, 719840, 791824, 989780, 1047040, 1151744, 1439680, 1583648, 1979560, 2303488, 2879360, 3167296, 3959120, 5758720, 6334592, 7918240, 11517440, 12669184, 15836480, 25338368, 31672960, 63345920, 126691840]

約数ペア:

[(1, 126691840), (2, 63345920), (4, 31672960), (5, 25338368), (8, 15836480), (10, 12669184), (11, 11517440), (16, 7918240), (20, 6334592), (22, 5758720), (32, 3959120), (40, 3167296), (44, 2879360), (55, 2303488), (64, 1979560), (80, 1583648), (88, 1439680), (110, 1151744), (121, 1047040), (128, 989780), (160, 791824), (176, 719840), (220, 575872), (242, 523520), (256, 494890), (320, 395912), (352, 359920), (409, 309760), (440, 287936), (484, 261760), (512, 247445), (605, 209408), (640, 197956), (704, 179960), (818, 154880), (880, 143968), (968, 130880), (1210, 104704), (1280, 98978), (1408, 89980), (1636, 77440), (1760, 71984), (1936, 65440), (2045, 61952), (2420, 52352), (2560, 49489), (2816, 44990), (3272, 38720), (3520, 35992), (3872, 32720), (4090, 30976), (4499, 28160), (4840, 26176), (5632, 22495), (6544, 19360), (7040, 17996), (7744, 16360), (8180, 15488), (8998, 14080), (9680, 13088)]