54720765

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 109143936

約数和(自身を除く): 54423171

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 165, 173, 213, 297, 355, 405, 495, 519, 639, 781, 865, 891, 1065, 1485, 1557, 1903, 1917, 2343, 2595, 3195, 3905, 4455, 4671, 5709, 5751, 7029, 7785, 9515, 9585, 11715, 12283, 14013, 17127, 21087, 23355, 28545, 28755, 35145, 36849, 51381, 61415, 63261, 70065, 85635, 105435, 110547, 135113, 154143, 184245, 256905, 316305, 331641, 405339, 552735, 675565, 770715, 994923, 1216017, 1658205, 2026695, 3648051, 4974615, 6080085, 10944153, 18240255, 54720765]

約数ペア:

[(1, 54720765), (3, 18240255), (5, 10944153), (9, 6080085), (11, 4974615), (15, 3648051), (27, 2026695), (33, 1658205), (45, 1216017), (55, 994923), (71, 770715), (81, 675565), (99, 552735), (135, 405339), (165, 331641), (173, 316305), (213, 256905), (297, 184245), (355, 154143), (405, 135113), (495, 110547), (519, 105435), (639, 85635), (781, 70065), (865, 63261), (891, 61415), (1065, 51381), (1485, 36849), (1557, 35145), (1903, 28755), (1917, 28545), (2343, 23355), (2595, 21087), (3195, 17127), (3905, 14013), (4455, 12283), (4671, 11715), (5709, 9585), (5751, 9515), (7029, 7785)]