65405880

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{2243}}^1$

素因数の和:2272

約数の個数: 112

約数和(自身を含む): 220742280

約数和(自身を除く): 155336400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2243, 2430, 2916, 3240, 3645, 4486, 4860, 5832, 6729, 7290, 8972, 9720, 11215, 13458, 14580, 17944, 20187, 22430, 26916, 29160, 33645, 40374, 44860, 53832, 60561, 67290, 80748, 89720, 100935, 121122, 134580, 161496, 181683, 201870, 242244, 269160, 302805, 363366, 403740, 484488, 545049, 605610, 726732, 807480, 908415, 1090098, 1211220, 1453464, 1635147, 1816830, 2180196, 2422440, 2725245, 3270294, 3633660, 4360392, 5450490, 6540588, 7267320, 8175735, 10900980, 13081176, 16351470, 21801960, 32702940, 65405880]

約数ペア:

[(1, 65405880), (2, 32702940), (3, 21801960), (4, 16351470), (5, 13081176), (6, 10900980), (8, 8175735), (9, 7267320), (10, 6540588), (12, 5450490), (15, 4360392), (18, 3633660), (20, 3270294), (24, 2725245), (27, 2422440), (30, 2180196), (36, 1816830), (40, 1635147), (45, 1453464), (54, 1211220), (60, 1090098), (72, 908415), (81, 807480), (90, 726732), (108, 605610), (120, 545049), (135, 484488), (162, 403740), (180, 363366), (216, 302805), (243, 269160), (270, 242244), (324, 201870), (360, 181683), (405, 161496), (486, 134580), (540, 121122), (648, 100935), (729, 89720), (810, 80748), (972, 67290), (1080, 60561), (1215, 53832), (1458, 44860), (1620, 40374), (1944, 33645), (2243, 29160), (2430, 26916), (2916, 22430), (3240, 20187), (3645, 17944), (4486, 14580), (4860, 13458), (5832, 11215), (6729, 9720), (7290, 8972)]