81540984564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{902761}}^1$

素因数の和:902977

約数の個数: 72

約数和(自身を含む): 223123044872

約数和(自身を除く): 141582060308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 193, 234, 386, 468, 579, 772, 1158, 1737, 2316, 2509, 3474, 5018, 6948, 7527, 10036, 15054, 22581, 30108, 45162, 90324, 902761, 1805522, 2708283, 3611044, 5416566, 8124849, 10833132, 11735893, 16249698, 23471786, 32499396, 35207679, 46943572, 70415358, 105623037, 140830716, 174232873, 211246074, 348465746, 422492148, 522698619, 696931492, 1045397238, 1568095857, 2090794476, 2265027349, 3136191714, 4530054698, 6272383428, 6795082047, 9060109396, 13590164094, 20385246141, 27180328188, 40770492282, 81540984564]

約数ペア:

[(1, 81540984564), (2, 40770492282), (3, 27180328188), (4, 20385246141), (6, 13590164094), (9, 9060109396), (12, 6795082047), (13, 6272383428), (18, 4530054698), (26, 3136191714), (36, 2265027349), (39, 2090794476), (52, 1568095857), (78, 1045397238), (117, 696931492), (156, 522698619), (193, 422492148), (234, 348465746), (386, 211246074), (468, 174232873), (579, 140830716), (772, 105623037), (1158, 70415358), (1737, 46943572), (2316, 35207679), (2509, 32499396), (3474, 23471786), (5018, 16249698), (6948, 11735893), (7527, 10833132), (10036, 8124849), (15054, 5416566), (22581, 3611044), (30108, 2708283), (45162, 1805522), (90324, 902761)]