38461280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 109417392

約数和(自身を除く): 70956112

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 41, 44, 52, 55, 65, 80, 82, 88, 104, 110, 130, 143, 160, 164, 176, 205, 208, 220, 260, 286, 328, 352, 410, 416, 440, 451, 520, 533, 572, 656, 715, 820, 880, 902, 1040, 1066, 1144, 1312, 1430, 1640, 1681, 1760, 1804, 2080, 2132, 2255, 2288, 2665, 2860, 3280, 3362, 3608, 4264, 4510, 4576, 5330, 5720, 5863, 6560, 6724, 7216, 8405, 8528, 9020, 10660, 11440, 11726, 13448, 14432, 16810, 17056, 18040, 18491, 21320, 21853, 22880, 23452, 26896, 29315, 33620, 36080, 36982, 42640, 43706, 46904, 53792, 58630, 67240, 72160, 73964, 85280, 87412, 92455, 93808, 109265, 117260, 134480, 147928, 174824, 184910, 187616, 218530, 234520, 240383, 268960, 295856, 349648, 369820, 437060, 469040, 480766, 591712, 699296, 739640, 874120, 938080, 961532, 1201915, 1479280, 1748240, 1923064, 2403830, 2958560, 3496480, 3846128, 4807660, 7692256, 9615320, 19230640, 38461280]

約数ペア:

[(1, 38461280), (2, 19230640), (4, 9615320), (5, 7692256), (8, 4807660), (10, 3846128), (11, 3496480), (13, 2958560), (16, 2403830), (20, 1923064), (22, 1748240), (26, 1479280), (32, 1201915), (40, 961532), (41, 938080), (44, 874120), (52, 739640), (55, 699296), (65, 591712), (80, 480766), (82, 469040), (88, 437060), (104, 369820), (110, 349648), (130, 295856), (143, 268960), (160, 240383), (164, 234520), (176, 218530), (205, 187616), (208, 184910), (220, 174824), (260, 147928), (286, 134480), (328, 117260), (352, 109265), (410, 93808), (416, 92455), (440, 87412), (451, 85280), (520, 73964), (533, 72160), (572, 67240), (656, 58630), (715, 53792), (820, 46904), (880, 43706), (902, 42640), (1040, 36982), (1066, 36080), (1144, 33620), (1312, 29315), (1430, 26896), (1640, 23452), (1681, 22880), (1760, 21853), (1804, 21320), (2080, 18491), (2132, 18040), (2255, 17056), (2288, 16810), (2665, 14432), (2860, 13448), (3280, 11726), (3362, 11440), (3608, 10660), (4264, 9020), (4510, 8528), (4576, 8405), (5330, 7216), (5720, 6724), (5863, 6560)]