81652860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 262525536

約数和(自身を除く): 180872676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 243, 265, 270, 317, 318, 324, 405, 477, 486, 530, 540, 634, 636, 795, 810, 951, 954, 972, 1060, 1215, 1268, 1431, 1585, 1590, 1620, 1902, 1908, 2385, 2430, 2853, 2862, 3170, 3180, 3804, 4293, 4755, 4770, 4860, 5706, 5724, 6340, 7155, 8559, 8586, 9510, 9540, 11412, 12879, 14265, 14310, 16801, 17118, 17172, 19020, 21465, 25677, 25758, 28530, 28620, 33602, 34236, 42795, 42930, 50403, 51354, 51516, 57060, 64395, 67204, 77031, 84005, 85590, 85860, 100806, 102708, 128385, 128790, 151209, 154062, 168010, 171180, 201612, 252015, 256770, 257580, 302418, 308124, 336020, 385155, 453627, 504030, 513540, 604836, 756045, 770310, 907254, 1008060, 1360881, 1512090, 1540620, 1814508, 2268135, 2721762, 3024180, 4082643, 4536270, 5443524, 6804405, 8165286, 9072540, 13608810, 16330572, 20413215, 27217620, 40826430, 81652860]

約数ペア:

[(1, 81652860), (2, 40826430), (3, 27217620), (4, 20413215), (5, 16330572), (6, 13608810), (9, 9072540), (10, 8165286), (12, 6804405), (15, 5443524), (18, 4536270), (20, 4082643), (27, 3024180), (30, 2721762), (36, 2268135), (45, 1814508), (53, 1540620), (54, 1512090), (60, 1360881), (81, 1008060), (90, 907254), (106, 770310), (108, 756045), (135, 604836), (159, 513540), (162, 504030), (180, 453627), (212, 385155), (243, 336020), (265, 308124), (270, 302418), (317, 257580), (318, 256770), (324, 252015), (405, 201612), (477, 171180), (486, 168010), (530, 154062), (540, 151209), (634, 128790), (636, 128385), (795, 102708), (810, 100806), (951, 85860), (954, 85590), (972, 84005), (1060, 77031), (1215, 67204), (1268, 64395), (1431, 57060), (1585, 51516), (1590, 51354), (1620, 50403), (1902, 42930), (1908, 42795), (2385, 34236), (2430, 33602), (2853, 28620), (2862, 28530), (3170, 25758), (3180, 25677), (3804, 21465), (4293, 19020), (4755, 17172), (4770, 17118), (4860, 16801), (5706, 14310), (5724, 14265), (6340, 12879), (7155, 11412), (8559, 9540), (8586, 9510)]