1616331520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1702

約数の個数: 144

約数和(自身を含む): 4177363680

約数和(自身を除く): 2561032160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1280, 1312, 1520, 1558, 1621, 1640, 2432, 2624, 3040, 3116, 3242, 3280, 3895, 4864, 5248, 6080, 6232, 6484, 6560, 7790, 8105, 10496, 12160, 12464, 12968, 13120, 15580, 16210, 24320, 24928, 25936, 26240, 30799, 31160, 32420, 49856, 51872, 52480, 61598, 62320, 64840, 66461, 99712, 103744, 123196, 124640, 129680, 132922, 153995, 199424, 207488, 246392, 249280, 259360, 265844, 307990, 332305, 414976, 492784, 498560, 518720, 531688, 615980, 664610, 985568, 997120, 1037440, 1063376, 1231960, 1262759, 1329220, 1971136, 2074880, 2126752, 2463920, 2525518, 2658440, 3942272, 4253504, 4927840, 5051036, 5316880, 6313795, 7884544, 8507008, 9855680, 10102072, 10633760, 12627590, 17014016, 19711360, 20204144, 21267520, 25255180, 39422720, 40408288, 42535040, 50510360, 80816576, 85070080, 101020720, 161633152, 202041440, 323266304, 404082880, 808165760, 1616331520]

約数ペア:

[(1, 1616331520), (2, 808165760), (4, 404082880), (5, 323266304), (8, 202041440), (10, 161633152), (16, 101020720), (19, 85070080), (20, 80816576), (32, 50510360), (38, 42535040), (40, 40408288), (41, 39422720), (64, 25255180), (76, 21267520), (80, 20204144), (82, 19711360), (95, 17014016), (128, 12627590), (152, 10633760), (160, 10102072), (164, 9855680), (190, 8507008), (205, 7884544), (256, 6313795), (304, 5316880), (320, 5051036), (328, 4927840), (380, 4253504), (410, 3942272), (608, 2658440), (640, 2525518), (656, 2463920), (760, 2126752), (779, 2074880), (820, 1971136), (1216, 1329220), (1280, 1262759), (1312, 1231960), (1520, 1063376), (1558, 1037440), (1621, 997120), (1640, 985568), (2432, 664610), (2624, 615980), (3040, 531688), (3116, 518720), (3242, 498560), (3280, 492784), (3895, 414976), (4864, 332305), (5248, 307990), (6080, 265844), (6232, 259360), (6484, 249280), (6560, 246392), (7790, 207488), (8105, 199424), (10496, 153995), (12160, 132922), (12464, 129680), (12968, 124640), (13120, 123196), (15580, 103744), (16210, 99712), (24320, 66461), (24928, 64840), (25936, 62320), (26240, 61598), (30799, 52480), (31160, 51872), (32420, 49856)]