355831920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 160

約数和(自身を含む): 1232331840

約数和(自身を除く): 876499920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 257, 270, 360, 432, 514, 540, 641, 720, 771, 1028, 1080, 1282, 1285, 1542, 1923, 2056, 2160, 2313, 2564, 2570, 3084, 3205, 3846, 3855, 4112, 4626, 5128, 5140, 5769, 6168, 6410, 6939, 7692, 7710, 9252, 9615, 10256, 10280, 11538, 11565, 12336, 12820, 13878, 15384, 15420, 17307, 18504, 19230, 20560, 23076, 23130, 25640, 27756, 28845, 30768, 30840, 34614, 34695, 37008, 38460, 46152, 46260, 51280, 55512, 57690, 61680, 69228, 69390, 76920, 86535, 92304, 92520, 111024, 115380, 138456, 138780, 153840, 164737, 173070, 185040, 230760, 276912, 277560, 329474, 346140, 461520, 494211, 555120, 658948, 692280, 823685, 988422, 1317896, 1384560, 1482633, 1647370, 1976844, 2471055, 2635792, 2965266, 3294740, 3953688, 4447899, 4942110, 5930532, 6589480, 7413165, 7907376, 8895798, 9884220, 11861064, 13178960, 14826330, 17791596, 19768440, 22239495, 23722128, 29652660, 35583192, 39536880, 44478990, 59305320, 71166384, 88957980, 118610640, 177915960, 355831920]

約数ペア:

[(1, 355831920), (2, 177915960), (3, 118610640), (4, 88957980), (5, 71166384), (6, 59305320), (8, 44478990), (9, 39536880), (10, 35583192), (12, 29652660), (15, 23722128), (16, 22239495), (18, 19768440), (20, 17791596), (24, 14826330), (27, 13178960), (30, 11861064), (36, 9884220), (40, 8895798), (45, 7907376), (48, 7413165), (54, 6589480), (60, 5930532), (72, 4942110), (80, 4447899), (90, 3953688), (108, 3294740), (120, 2965266), (135, 2635792), (144, 2471055), (180, 1976844), (216, 1647370), (240, 1482633), (257, 1384560), (270, 1317896), (360, 988422), (432, 823685), (514, 692280), (540, 658948), (641, 555120), (720, 494211), (771, 461520), (1028, 346140), (1080, 329474), (1282, 277560), (1285, 276912), (1542, 230760), (1923, 185040), (2056, 173070), (2160, 164737), (2313, 153840), (2564, 138780), (2570, 138456), (3084, 115380), (3205, 111024), (3846, 92520), (3855, 92304), (4112, 86535), (4626, 76920), (5128, 69390), (5140, 69228), (5769, 61680), (6168, 57690), (6410, 55512), (6939, 51280), (7692, 46260), (7710, 46152), (9252, 38460), (9615, 37008), (10256, 34695), (10280, 34614), (11538, 30840), (11565, 30768), (12336, 28845), (12820, 27756), (13878, 25640), (15384, 23130), (15420, 23076), (17307, 20560), (18504, 19230)]