28147770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 87713280

約数和(自身を除く): 59565510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 53, 54, 63, 70, 90, 105, 106, 126, 135, 159, 189, 210, 265, 270, 281, 315, 318, 371, 378, 477, 530, 562, 630, 742, 795, 843, 945, 954, 1113, 1405, 1431, 1590, 1686, 1855, 1890, 1967, 2226, 2385, 2529, 2810, 2862, 3339, 3710, 3934, 4215, 4770, 5058, 5565, 5901, 6678, 7155, 7587, 8430, 9835, 10017, 11130, 11802, 12645, 14310, 14893, 15174, 16695, 17703, 19670, 20034, 25290, 29505, 29786, 33390, 35406, 37935, 44679, 50085, 53109, 59010, 74465, 75870, 88515, 89358, 100170, 104251, 106218, 134037, 148930, 177030, 208502, 223395, 265545, 268074, 312753, 402111, 446790, 521255, 531090, 625506, 670185, 804222, 938259, 1042510, 1340370, 1563765, 1876518, 2010555, 2814777, 3127530, 4021110, 4691295, 5629554, 9382590, 14073885, 28147770]

約数ペア:

[(1, 28147770), (2, 14073885), (3, 9382590), (5, 5629554), (6, 4691295), (7, 4021110), (9, 3127530), (10, 2814777), (14, 2010555), (15, 1876518), (18, 1563765), (21, 1340370), (27, 1042510), (30, 938259), (35, 804222), (42, 670185), (45, 625506), (53, 531090), (54, 521255), (63, 446790), (70, 402111), (90, 312753), (105, 268074), (106, 265545), (126, 223395), (135, 208502), (159, 177030), (189, 148930), (210, 134037), (265, 106218), (270, 104251), (281, 100170), (315, 89358), (318, 88515), (371, 75870), (378, 74465), (477, 59010), (530, 53109), (562, 50085), (630, 44679), (742, 37935), (795, 35406), (843, 33390), (945, 29786), (954, 29505), (1113, 25290), (1405, 20034), (1431, 19670), (1590, 17703), (1686, 16695), (1855, 15174), (1890, 14893), (1967, 14310), (2226, 12645), (2385, 11802), (2529, 11130), (2810, 10017), (2862, 9835), (3339, 8430), (3710, 7587), (3934, 7155), (4215, 6678), (4770, 5901), (5058, 5565)]