81255312

素因数分解:

$2^4\times 3^5\times {\mathrm{20899}}^1$

素因数の和:20922

約数の個数: 60

約数和(自身を含む): 235835600

約数和(自身を除く): 154580288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 20899, 41798, 62697, 83596, 125394, 167192, 188091, 250788, 334384, 376182, 501576, 564273, 752364, 1003152, 1128546, 1504728, 1692819, 2257092, 3009456, 3385638, 4514184, 5078457, 6771276, 9028368, 10156914, 13542552, 20313828, 27085104, 40627656, 81255312]

約数ペア:

[(1, 81255312), (2, 40627656), (3, 27085104), (4, 20313828), (6, 13542552), (8, 10156914), (9, 9028368), (12, 6771276), (16, 5078457), (18, 4514184), (24, 3385638), (27, 3009456), (36, 2257092), (48, 1692819), (54, 1504728), (72, 1128546), (81, 1003152), (108, 752364), (144, 564273), (162, 501576), (216, 376182), (243, 334384), (324, 250788), (432, 188091), (486, 167192), (648, 125394), (972, 83596), (1296, 62697), (1944, 41798), (3888, 20899)]