123901280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 314344800

約数和(自身を除く): 190443520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 380, 424, 530, 608, 760, 769, 848, 1007, 1060, 1520, 1538, 1696, 2014, 2120, 3040, 3076, 3845, 4028, 4240, 5035, 6152, 7690, 8056, 8480, 10070, 12304, 14611, 15380, 16112, 20140, 24608, 29222, 30760, 32224, 40280, 40757, 58444, 61520, 73055, 80560, 81514, 116888, 123040, 146110, 161120, 163028, 203785, 233776, 292220, 326056, 407570, 467552, 584440, 652112, 774383, 815140, 1168880, 1304224, 1548766, 1630280, 2337760, 3097532, 3260560, 3871915, 6195064, 6521120, 7743830, 12390128, 15487660, 24780256, 30975320, 61950640, 123901280]

約数ペア:

[(1, 123901280), (2, 61950640), (4, 30975320), (5, 24780256), (8, 15487660), (10, 12390128), (16, 7743830), (19, 6521120), (20, 6195064), (32, 3871915), (38, 3260560), (40, 3097532), (53, 2337760), (76, 1630280), (80, 1548766), (95, 1304224), (106, 1168880), (152, 815140), (160, 774383), (190, 652112), (212, 584440), (265, 467552), (304, 407570), (380, 326056), (424, 292220), (530, 233776), (608, 203785), (760, 163028), (769, 161120), (848, 146110), (1007, 123040), (1060, 116888), (1520, 81514), (1538, 80560), (1696, 73055), (2014, 61520), (2120, 58444), (3040, 40757), (3076, 40280), (3845, 32224), (4028, 30760), (4240, 29222), (5035, 24608), (6152, 20140), (7690, 16112), (8056, 15380), (8480, 14611), (10070, 12304)]