257341320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12541}}^1$

素因数の和:12580

約数の個数: 128

約数和(自身を含む): 903024000

約数和(自身を除く): 645682680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12541, 20520, 25082, 37623, 50164, 62705, 75246, 100328, 112869, 125410, 150492, 188115, 225738, 238279, 250820, 300984, 338607, 376230, 451476, 476558, 501640, 564345, 677214, 714837, 752460, 902952, 953116, 1128690, 1191395, 1354428, 1429674, 1504920, 1693035, 1906232, 2144511, 2257380, 2382790, 2708856, 2859348, 3386070, 3574185, 4289022, 4514760, 4765580, 5718696, 6433533, 6772140, 7148370, 8578044, 9531160, 10722555, 12867066, 13544280, 14296740, 17156088, 21445110, 25734132, 28593480, 32167665, 42890220, 51468264, 64335330, 85780440, 128670660, 257341320]

約数ペア:

[(1, 257341320), (2, 128670660), (3, 85780440), (4, 64335330), (5, 51468264), (6, 42890220), (8, 32167665), (9, 28593480), (10, 25734132), (12, 21445110), (15, 17156088), (18, 14296740), (19, 13544280), (20, 12867066), (24, 10722555), (27, 9531160), (30, 8578044), (36, 7148370), (38, 6772140), (40, 6433533), (45, 5718696), (54, 4765580), (57, 4514760), (60, 4289022), (72, 3574185), (76, 3386070), (90, 2859348), (95, 2708856), (108, 2382790), (114, 2257380), (120, 2144511), (135, 1906232), (152, 1693035), (171, 1504920), (180, 1429674), (190, 1354428), (216, 1191395), (228, 1128690), (270, 953116), (285, 902952), (342, 752460), (360, 714837), (380, 677214), (456, 564345), (513, 501640), (540, 476558), (570, 451476), (684, 376230), (760, 338607), (855, 300984), (1026, 250820), (1080, 238279), (1140, 225738), (1368, 188115), (1710, 150492), (2052, 125410), (2280, 112869), (2565, 100328), (3420, 75246), (4104, 62705), (5130, 50164), (6840, 37623), (10260, 25082), (12541, 20520)]