268445360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1158

約数の個数: 80

約数和(自身を含む): 648842400

約数和(自身を除く): 380397040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1019, 1424, 1480, 1780, 2038, 2960, 3293, 3560, 4076, 5095, 6586, 7120, 8152, 10190, 13172, 16304, 16465, 20380, 26344, 32930, 37703, 40760, 52688, 65860, 75406, 81520, 90691, 131720, 150812, 181382, 188515, 263440, 301624, 362764, 377030, 453455, 603248, 725528, 754060, 906910, 1451056, 1508120, 1813820, 3016240, 3355567, 3627640, 6711134, 7255280, 13422268, 16777835, 26844536, 33555670, 53689072, 67111340, 134222680, 268445360]

約数ペア:

[(1, 268445360), (2, 134222680), (4, 67111340), (5, 53689072), (8, 33555670), (10, 26844536), (16, 16777835), (20, 13422268), (37, 7255280), (40, 6711134), (74, 3627640), (80, 3355567), (89, 3016240), (148, 1813820), (178, 1508120), (185, 1451056), (296, 906910), (356, 754060), (370, 725528), (445, 603248), (592, 453455), (712, 377030), (740, 362764), (890, 301624), (1019, 263440), (1424, 188515), (1480, 181382), (1780, 150812), (2038, 131720), (2960, 90691), (3293, 81520), (3560, 75406), (4076, 65860), (5095, 52688), (6586, 40760), (7120, 37703), (8152, 32930), (10190, 26344), (13172, 20380), (16304, 16465)]