77663640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1537

約数の個数: 128

約数和(自身を含む): 256089600

約数和(自身を除く): 178425960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1481, 1748, 2185, 2280, 2622, 2760, 2962, 3496, 4370, 4443, 5244, 5924, 6555, 7405, 8740, 8886, 10488, 11848, 13110, 14810, 17480, 17772, 22215, 26220, 28139, 29620, 34063, 35544, 44430, 52440, 56278, 59240, 68126, 84417, 88860, 102189, 112556, 136252, 140695, 168834, 170315, 177720, 204378, 225112, 272504, 281390, 337668, 340630, 408756, 422085, 510945, 562780, 647197, 675336, 681260, 817512, 844170, 1021890, 1125560, 1294394, 1362520, 1688340, 1941591, 2043780, 2588788, 3235985, 3376680, 3883182, 4087560, 5177576, 6471970, 7766364, 9707955, 12943940, 15532728, 19415910, 25887880, 38831820, 77663640]

約数ペア:

[(1, 77663640), (2, 38831820), (3, 25887880), (4, 19415910), (5, 15532728), (6, 12943940), (8, 9707955), (10, 7766364), (12, 6471970), (15, 5177576), (19, 4087560), (20, 3883182), (23, 3376680), (24, 3235985), (30, 2588788), (38, 2043780), (40, 1941591), (46, 1688340), (57, 1362520), (60, 1294394), (69, 1125560), (76, 1021890), (92, 844170), (95, 817512), (114, 681260), (115, 675336), (120, 647197), (138, 562780), (152, 510945), (184, 422085), (190, 408756), (228, 340630), (230, 337668), (276, 281390), (285, 272504), (345, 225112), (380, 204378), (437, 177720), (456, 170315), (460, 168834), (552, 140695), (570, 136252), (690, 112556), (760, 102189), (874, 88860), (920, 84417), (1140, 68126), (1311, 59240), (1380, 56278), (1481, 52440), (1748, 44430), (2185, 35544), (2280, 34063), (2622, 29620), (2760, 28139), (2962, 26220), (3496, 22215), (4370, 17772), (4443, 17480), (5244, 14810), (5924, 13110), (6555, 11848), (7405, 10488), (8740, 8886)]