81453168

素因数分解:

$2^4\times 3^3\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 234880800

約数和(自身を除く): 153427632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 409, 432, 461, 818, 922, 1227, 1383, 1636, 1844, 2454, 2766, 3272, 3681, 3688, 4149, 4908, 5532, 6544, 7362, 7376, 8298, 9816, 11043, 11064, 12447, 14724, 16596, 19632, 22086, 22128, 24894, 29448, 33192, 44172, 49788, 58896, 66384, 88344, 99576, 176688, 188549, 199152, 377098, 565647, 754196, 1131294, 1508392, 1696941, 2262588, 3016784, 3393882, 4525176, 5090823, 6787764, 9050352, 10181646, 13575528, 20363292, 27151056, 40726584, 81453168]

約数ペア:

[(1, 81453168), (2, 40726584), (3, 27151056), (4, 20363292), (6, 13575528), (8, 10181646), (9, 9050352), (12, 6787764), (16, 5090823), (18, 4525176), (24, 3393882), (27, 3016784), (36, 2262588), (48, 1696941), (54, 1508392), (72, 1131294), (108, 754196), (144, 565647), (216, 377098), (409, 199152), (432, 188549), (461, 176688), (818, 99576), (922, 88344), (1227, 66384), (1383, 58896), (1636, 49788), (1844, 44172), (2454, 33192), (2766, 29448), (3272, 24894), (3681, 22128), (3688, 22086), (4149, 19632), (4908, 16596), (5532, 14724), (6544, 12447), (7362, 11064), (7376, 11043), (8298, 9816)]