255138080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 685843200

約数和(自身を除く): 430705120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 41, 46, 76, 80, 82, 89, 92, 95, 115, 152, 160, 164, 178, 184, 190, 205, 230, 304, 328, 356, 368, 380, 410, 437, 445, 460, 608, 656, 712, 736, 760, 779, 820, 874, 890, 920, 943, 1312, 1424, 1520, 1558, 1640, 1691, 1748, 1780, 1840, 1886, 2047, 2185, 2848, 3040, 3116, 3280, 3382, 3496, 3560, 3649, 3680, 3772, 3895, 4094, 4370, 4715, 6232, 6560, 6764, 6992, 7120, 7298, 7544, 7790, 8188, 8455, 8740, 9430, 10235, 12464, 13528, 13984, 14240, 14596, 15088, 15580, 16376, 16910, 17480, 17917, 18245, 18860, 20470, 24928, 27056, 29192, 30176, 31160, 32752, 33820, 34960, 35834, 36490, 37720, 38893, 40940, 54112, 58384, 62320, 65504, 67640, 69331, 69920, 71668, 72980, 75440, 77786, 81880, 83927, 89585, 116768, 124640, 135280, 138662, 143336, 145960, 150880, 155572, 163760, 167854, 179170, 194465, 270560, 277324, 286672, 291920, 311144, 327520, 335708, 346655, 358340, 388930, 419635, 554648, 573344, 583840, 622288, 671416, 693310, 716680, 777860, 839270, 1109296, 1244576, 1342832, 1386620, 1433360, 1555720, 1594613, 1678540, 2218592, 2685664, 2773240, 2866720, 3111440, 3189226, 3357080, 5546480, 6222880, 6378452, 6714160, 7973065, 11092960, 12756904, 13428320, 15946130, 25513808, 31892260, 51027616, 63784520, 127569040, 255138080]

約数ペア:

[(1, 255138080), (2, 127569040), (4, 63784520), (5, 51027616), (8, 31892260), (10, 25513808), (16, 15946130), (19, 13428320), (20, 12756904), (23, 11092960), (32, 7973065), (38, 6714160), (40, 6378452), (41, 6222880), (46, 5546480), (76, 3357080), (80, 3189226), (82, 3111440), (89, 2866720), (92, 2773240), (95, 2685664), (115, 2218592), (152, 1678540), (160, 1594613), (164, 1555720), (178, 1433360), (184, 1386620), (190, 1342832), (205, 1244576), (230, 1109296), (304, 839270), (328, 777860), (356, 716680), (368, 693310), (380, 671416), (410, 622288), (437, 583840), (445, 573344), (460, 554648), (608, 419635), (656, 388930), (712, 358340), (736, 346655), (760, 335708), (779, 327520), (820, 311144), (874, 291920), (890, 286672), (920, 277324), (943, 270560), (1312, 194465), (1424, 179170), (1520, 167854), (1558, 163760), (1640, 155572), (1691, 150880), (1748, 145960), (1780, 143336), (1840, 138662), (1886, 135280), (2047, 124640), (2185, 116768), (2848, 89585), (3040, 83927), (3116, 81880), (3280, 77786), (3382, 75440), (3496, 72980), (3560, 71668), (3649, 69920), (3680, 69331), (3772, 67640), (3895, 65504), (4094, 62320), (4370, 58384), (4715, 54112), (6232, 40940), (6560, 38893), (6764, 37720), (6992, 36490), (7120, 35834), (7298, 34960), (7544, 33820), (7790, 32752), (8188, 31160), (8455, 30176), (8740, 29192), (9430, 27056), (10235, 24928), (12464, 20470), (13528, 18860), (13984, 18245), (14240, 17917), (14596, 17480), (15088, 16910), (15580, 16376)]