205005840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65707}}^1$

素因数の和:65736

約数の個数: 80

約数和(自身を含む): 684414528

約数和(自身を除く): 479408688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 65707, 131414, 197121, 262828, 328535, 394242, 525656, 657070, 788484, 854191, 985605, 1051312, 1314140, 1576968, 1708382, 1971210, 2562573, 2628280, 3153936, 3416764, 3942420, 4270955, 5125146, 5256560, 6833528, 7884840, 8541910, 10250292, 12812865, 13667056, 15769680, 17083820, 20500584, 25625730, 34167640, 41001168, 51251460, 68335280, 102502920, 205005840]

約数ペア:

[(1, 205005840), (2, 102502920), (3, 68335280), (4, 51251460), (5, 41001168), (6, 34167640), (8, 25625730), (10, 20500584), (12, 17083820), (13, 15769680), (15, 13667056), (16, 12812865), (20, 10250292), (24, 8541910), (26, 7884840), (30, 6833528), (39, 5256560), (40, 5125146), (48, 4270955), (52, 3942420), (60, 3416764), (65, 3153936), (78, 2628280), (80, 2562573), (104, 1971210), (120, 1708382), (130, 1576968), (156, 1314140), (195, 1051312), (208, 985605), (240, 854191), (260, 788484), (312, 657070), (390, 525656), (520, 394242), (624, 328535), (780, 262828), (1040, 197121), (1560, 131414), (3120, 65707)]