1681290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 3157110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 479, 585, 702, 958, 1170, 1437, 1755, 2395, 2874, 3510, 4311, 4790, 6227, 7185, 8622, 12454, 12933, 14370, 18681, 21555, 25866, 31135, 37362, 43110, 56043, 62270, 64665, 93405, 112086, 129330, 168129, 186810, 280215, 336258, 560430, 840645, 1681290]

約数ペア:

[(1, 1681290), (2, 840645), (3, 560430), (5, 336258), (6, 280215), (9, 186810), (10, 168129), (13, 129330), (15, 112086), (18, 93405), (26, 64665), (27, 62270), (30, 56043), (39, 43110), (45, 37362), (54, 31135), (65, 25866), (78, 21555), (90, 18681), (117, 14370), (130, 12933), (135, 12454), (195, 8622), (234, 7185), (270, 6227), (351, 4790), (390, 4311), (479, 3510), (585, 2874), (702, 2395), (958, 1755), (1170, 1437)]