261304920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{773}}^1$

素因数の和:1106

約数の個数: 128

約数和(自身を含む): 874929600

約数和(自身を除く): 613624680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 313, 360, 540, 626, 773, 939, 1080, 1252, 1546, 1565, 1878, 2319, 2504, 2817, 3092, 3130, 3756, 3865, 4638, 4695, 5634, 6184, 6260, 6957, 7512, 7730, 8451, 9276, 9390, 11268, 11595, 12520, 13914, 14085, 15460, 16902, 18552, 18780, 20871, 22536, 23190, 27828, 28170, 30920, 33804, 34785, 37560, 41742, 42255, 46380, 55656, 56340, 67608, 69570, 83484, 84510, 92760, 104355, 112680, 139140, 166968, 169020, 208710, 241949, 278280, 338040, 417420, 483898, 725847, 834840, 967796, 1209745, 1451694, 1935592, 2177541, 2419490, 2903388, 3629235, 4355082, 4838980, 5806776, 6532623, 7258470, 8710164, 9677960, 10887705, 13065246, 14516940, 17420328, 21775410, 26130492, 29033880, 32663115, 43550820, 52260984, 65326230, 87101640, 130652460, 261304920]

約数ペア:

[(1, 261304920), (2, 130652460), (3, 87101640), (4, 65326230), (5, 52260984), (6, 43550820), (8, 32663115), (9, 29033880), (10, 26130492), (12, 21775410), (15, 17420328), (18, 14516940), (20, 13065246), (24, 10887705), (27, 9677960), (30, 8710164), (36, 7258470), (40, 6532623), (45, 5806776), (54, 4838980), (60, 4355082), (72, 3629235), (90, 2903388), (108, 2419490), (120, 2177541), (135, 1935592), (180, 1451694), (216, 1209745), (270, 967796), (313, 834840), (360, 725847), (540, 483898), (626, 417420), (773, 338040), (939, 278280), (1080, 241949), (1252, 208710), (1546, 169020), (1565, 166968), (1878, 139140), (2319, 112680), (2504, 104355), (2817, 92760), (3092, 84510), (3130, 83484), (3756, 69570), (3865, 67608), (4638, 56340), (4695, 55656), (5634, 46380), (6184, 42255), (6260, 41742), (6957, 37560), (7512, 34785), (7730, 33804), (8451, 30920), (9276, 28170), (9390, 27828), (11268, 23190), (11595, 22536), (12520, 20871), (13914, 18780), (14085, 18552), (15460, 16902)]