81266490

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 223606656

約数和(自身を除く): 142340166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 243, 265, 270, 318, 405, 477, 486, 530, 631, 795, 810, 954, 1215, 1262, 1431, 1590, 1893, 2385, 2430, 2862, 3155, 3786, 4293, 4770, 5679, 6310, 7155, 8586, 9465, 11358, 12879, 14310, 17037, 18930, 21465, 25758, 28395, 33443, 34074, 42930, 51111, 56790, 64395, 66886, 85185, 100329, 102222, 128790, 153333, 167215, 170370, 200658, 255555, 300987, 306666, 334430, 501645, 511110, 601974, 766665, 902961, 1003290, 1504935, 1533330, 1805922, 2708883, 3009870, 4514805, 5417766, 8126649, 9029610, 13544415, 16253298, 27088830, 40633245, 81266490]

約数ペア:

[(1, 81266490), (2, 40633245), (3, 27088830), (5, 16253298), (6, 13544415), (9, 9029610), (10, 8126649), (15, 5417766), (18, 4514805), (27, 3009870), (30, 2708883), (45, 1805922), (53, 1533330), (54, 1504935), (81, 1003290), (90, 902961), (106, 766665), (135, 601974), (159, 511110), (162, 501645), (243, 334430), (265, 306666), (270, 300987), (318, 255555), (405, 200658), (477, 170370), (486, 167215), (530, 153333), (631, 128790), (795, 102222), (810, 100329), (954, 85185), (1215, 66886), (1262, 64395), (1431, 56790), (1590, 51111), (1893, 42930), (2385, 34074), (2430, 33443), (2862, 28395), (3155, 25758), (3786, 21465), (4293, 18930), (4770, 17037), (5679, 14310), (6310, 12879), (7155, 11358), (8586, 9465)]