81252396

素因数分解:

$2^2\times 3^5\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 214643520

約数和(自身を除く): 133391124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 179, 243, 324, 358, 467, 486, 537, 716, 934, 972, 1074, 1401, 1611, 1868, 2148, 2802, 3222, 4203, 4833, 5604, 6444, 8406, 9666, 12609, 14499, 16812, 19332, 25218, 28998, 37827, 43497, 50436, 57996, 75654, 83593, 86994, 113481, 151308, 167186, 173988, 226962, 250779, 334372, 453924, 501558, 752337, 1003116, 1504674, 2257011, 3009348, 4514022, 6771033, 9028044, 13542066, 20313099, 27084132, 40626198, 81252396]

約数ペア:

[(1, 81252396), (2, 40626198), (3, 27084132), (4, 20313099), (6, 13542066), (9, 9028044), (12, 6771033), (18, 4514022), (27, 3009348), (36, 2257011), (54, 1504674), (81, 1003116), (108, 752337), (162, 501558), (179, 453924), (243, 334372), (324, 250779), (358, 226962), (467, 173988), (486, 167186), (537, 151308), (716, 113481), (934, 86994), (972, 83593), (1074, 75654), (1401, 57996), (1611, 50436), (1868, 43497), (2148, 37827), (2802, 28998), (3222, 25218), (4203, 19332), (4833, 16812), (5604, 14499), (6444, 12609), (8406, 9666)]