127407920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 315084000

約数和(自身を除く): 187676080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 760, 769, 872, 1090, 1520, 1538, 1744, 2071, 2180, 3076, 3845, 4142, 4360, 6152, 7690, 8284, 8720, 10355, 12304, 14611, 15380, 16568, 20710, 29222, 30760, 33136, 41420, 58444, 61520, 73055, 82840, 83821, 116888, 146110, 165680, 167642, 233776, 292220, 335284, 419105, 584440, 670568, 838210, 1168880, 1341136, 1592599, 1676420, 3185198, 3352840, 6370396, 6705680, 7962995, 12740792, 15925990, 25481584, 31851980, 63703960, 127407920]

約数ペア:

[(1, 127407920), (2, 63703960), (4, 31851980), (5, 25481584), (8, 15925990), (10, 12740792), (16, 7962995), (19, 6705680), (20, 6370396), (38, 3352840), (40, 3185198), (76, 1676420), (80, 1592599), (95, 1341136), (109, 1168880), (152, 838210), (190, 670568), (218, 584440), (304, 419105), (380, 335284), (436, 292220), (545, 233776), (760, 167642), (769, 165680), (872, 146110), (1090, 116888), (1520, 83821), (1538, 82840), (1744, 73055), (2071, 61520), (2180, 58444), (3076, 41420), (3845, 33136), (4142, 30760), (4360, 29222), (6152, 20710), (7690, 16568), (8284, 15380), (8720, 14611), (10355, 12304)]