81577530

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 224078400

約数和(自身を除く): 142500870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 162, 177, 243, 270, 295, 354, 405, 486, 531, 569, 590, 810, 885, 1062, 1138, 1215, 1593, 1707, 1770, 2430, 2655, 2845, 3186, 3414, 4779, 5121, 5310, 5690, 7965, 8535, 9558, 10242, 14337, 15363, 15930, 17070, 23895, 25605, 28674, 30726, 33571, 46089, 47790, 51210, 67142, 71685, 76815, 92178, 100713, 138267, 143370, 153630, 167855, 201426, 230445, 276534, 302139, 335710, 460890, 503565, 604278, 691335, 906417, 1007130, 1382670, 1510695, 1812834, 2719251, 3021390, 4532085, 5438502, 8157753, 9064170, 13596255, 16315506, 27192510, 40788765, 81577530]

約数ペア:

[(1, 81577530), (2, 40788765), (3, 27192510), (5, 16315506), (6, 13596255), (9, 9064170), (10, 8157753), (15, 5438502), (18, 4532085), (27, 3021390), (30, 2719251), (45, 1812834), (54, 1510695), (59, 1382670), (81, 1007130), (90, 906417), (118, 691335), (135, 604278), (162, 503565), (177, 460890), (243, 335710), (270, 302139), (295, 276534), (354, 230445), (405, 201426), (486, 167855), (531, 153630), (569, 143370), (590, 138267), (810, 100713), (885, 92178), (1062, 76815), (1138, 71685), (1215, 67142), (1593, 51210), (1707, 47790), (1770, 46089), (2430, 33571), (2655, 30726), (2845, 28674), (3186, 25605), (3414, 23895), (4779, 17070), (5121, 15930), (5310, 15363), (5690, 14337), (7965, 10242), (8535, 9558)]