169176920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 436838400

約数和(自身を除く): 267661480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 79, 88, 110, 124, 155, 157, 158, 220, 248, 310, 314, 316, 341, 395, 440, 620, 628, 632, 682, 785, 790, 869, 1240, 1256, 1364, 1570, 1580, 1705, 1727, 1738, 2449, 2728, 3140, 3160, 3410, 3454, 3476, 4345, 4867, 4898, 6280, 6820, 6908, 6952, 8635, 8690, 9734, 9796, 12245, 12403, 13640, 13816, 17270, 17380, 19468, 19592, 24335, 24490, 24806, 26939, 34540, 34760, 38936, 48670, 48980, 49612, 53537, 53878, 62015, 69080, 97340, 97960, 99224, 107074, 107756, 124030, 134695, 136433, 194680, 214148, 215512, 248060, 267685, 269390, 272866, 384493, 428296, 496120, 535370, 538780, 545732, 682165, 768986, 1070740, 1077560, 1091464, 1364330, 1537972, 1922465, 2141480, 2728660, 3075944, 3844930, 4229423, 5457320, 7689860, 8458846, 15379720, 16917692, 21147115, 33835384, 42294230, 84588460, 169176920]

約数ペア:

[(1, 169176920), (2, 84588460), (4, 42294230), (5, 33835384), (8, 21147115), (10, 16917692), (11, 15379720), (20, 8458846), (22, 7689860), (31, 5457320), (40, 4229423), (44, 3844930), (55, 3075944), (62, 2728660), (79, 2141480), (88, 1922465), (110, 1537972), (124, 1364330), (155, 1091464), (157, 1077560), (158, 1070740), (220, 768986), (248, 682165), (310, 545732), (314, 538780), (316, 535370), (341, 496120), (395, 428296), (440, 384493), (620, 272866), (628, 269390), (632, 267685), (682, 248060), (785, 215512), (790, 214148), (869, 194680), (1240, 136433), (1256, 134695), (1364, 124030), (1570, 107756), (1580, 107074), (1705, 99224), (1727, 97960), (1738, 97340), (2449, 69080), (2728, 62015), (3140, 53878), (3160, 53537), (3410, 49612), (3454, 48980), (3476, 48670), (4345, 38936), (4867, 34760), (4898, 34540), (6280, 26939), (6820, 24806), (6908, 24490), (6952, 24335), (8635, 19592), (8690, 19468), (9734, 17380), (9796, 17270), (12245, 13816), (12403, 13640)]