51997440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1266

約数の個数: 144

約数和(自身を含む): 181310976

約数和(自身を除く): 129313536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1231, 1280, 1320, 1408, 1760, 1920, 2112, 2462, 2640, 2816, 3520, 3693, 3840, 4224, 4924, 5280, 6155, 7040, 7386, 8448, 9848, 10560, 12310, 13541, 14080, 14772, 18465, 19696, 21120, 24620, 27082, 29544, 36930, 39392, 40623, 42240, 49240, 54164, 59088, 67705, 73860, 78784, 81246, 98480, 108328, 118176, 135410, 147720, 157568, 162492, 196960, 203115, 216656, 236352, 270820, 295440, 315136, 324984, 393920, 406230, 433312, 472704, 541640, 590880, 649968, 787840, 812460, 866624, 945408, 1083280, 1181760, 1299936, 1575680, 1624920, 1733248, 2166560, 2363520, 2599872, 3249840, 3466496, 4333120, 4727040, 5199744, 6499680, 8666240, 10399488, 12999360, 17332480, 25998720, 51997440]

約数ペア:

[(1, 51997440), (2, 25998720), (3, 17332480), (4, 12999360), (5, 10399488), (6, 8666240), (8, 6499680), (10, 5199744), (11, 4727040), (12, 4333120), (15, 3466496), (16, 3249840), (20, 2599872), (22, 2363520), (24, 2166560), (30, 1733248), (32, 1624920), (33, 1575680), (40, 1299936), (44, 1181760), (48, 1083280), (55, 945408), (60, 866624), (64, 812460), (66, 787840), (80, 649968), (88, 590880), (96, 541640), (110, 472704), (120, 433312), (128, 406230), (132, 393920), (160, 324984), (165, 315136), (176, 295440), (192, 270820), (220, 236352), (240, 216656), (256, 203115), (264, 196960), (320, 162492), (330, 157568), (352, 147720), (384, 135410), (440, 118176), (480, 108328), (528, 98480), (640, 81246), (660, 78784), (704, 73860), (768, 67705), (880, 59088), (960, 54164), (1056, 49240), (1231, 42240), (1280, 40623), (1320, 39392), (1408, 36930), (1760, 29544), (1920, 27082), (2112, 24620), (2462, 21120), (2640, 19696), (2816, 18465), (3520, 14772), (3693, 14080), (3840, 13541), (4224, 12310), (4924, 10560), (5280, 9848), (6155, 8448), (7040, 7386)]