1553810540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 3702410208

約数和(自身を除く): 2148599668

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 53, 68, 85, 92, 106, 115, 163, 170, 212, 230, 265, 326, 340, 391, 460, 529, 530, 652, 782, 815, 901, 1058, 1060, 1219, 1564, 1630, 1802, 1955, 2116, 2438, 2645, 2771, 3260, 3604, 3749, 3910, 4505, 4876, 5290, 5542, 6095, 7498, 7820, 8639, 8993, 9010, 10580, 11084, 12190, 13855, 14996, 17278, 17986, 18020, 18745, 20723, 24380, 27710, 28037, 34556, 35972, 37490, 41446, 43195, 44965, 55420, 56074, 63733, 74980, 82892, 86227, 86390, 89930, 103615, 112148, 127466, 140185, 146863, 172454, 172780, 179860, 198697, 207230, 254932, 280370, 293726, 318665, 344908, 397394, 414460, 431135, 476629, 560740, 587452, 637330, 734315, 794788, 862270, 953258, 993485, 1274660, 1465859, 1468630, 1724540, 1906516, 1986970, 2383145, 2931718, 2937260, 3377849, 3973940, 4570031, 4766290, 5863436, 6755698, 7329295, 9140062, 9532580, 13511396, 14658590, 16889245, 18280124, 22850155, 29317180, 33778490, 45700310, 67556980, 77690527, 91400620, 155381054, 310762108, 388452635, 776905270, 1553810540]

約数ペア:

[(1, 1553810540), (2, 776905270), (4, 388452635), (5, 310762108), (10, 155381054), (17, 91400620), (20, 77690527), (23, 67556980), (34, 45700310), (46, 33778490), (53, 29317180), (68, 22850155), (85, 18280124), (92, 16889245), (106, 14658590), (115, 13511396), (163, 9532580), (170, 9140062), (212, 7329295), (230, 6755698), (265, 5863436), (326, 4766290), (340, 4570031), (391, 3973940), (460, 3377849), (529, 2937260), (530, 2931718), (652, 2383145), (782, 1986970), (815, 1906516), (901, 1724540), (1058, 1468630), (1060, 1465859), (1219, 1274660), (1564, 993485), (1630, 953258), (1802, 862270), (1955, 794788), (2116, 734315), (2438, 637330), (2645, 587452), (2771, 560740), (3260, 476629), (3604, 431135), (3749, 414460), (3910, 397394), (4505, 344908), (4876, 318665), (5290, 293726), (5542, 280370), (6095, 254932), (7498, 207230), (7820, 198697), (8639, 179860), (8993, 172780), (9010, 172454), (10580, 146863), (11084, 140185), (12190, 127466), (13855, 112148), (14996, 103615), (17278, 89930), (17986, 86390), (18020, 86227), (18745, 82892), (20723, 74980), (24380, 63733), (27710, 56074), (28037, 55420), (34556, 44965), (35972, 43195), (37490, 41446)]