81356688

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 120

約数和(自身を含む): 266405568

約数和(自身を除く): 185048880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 112, 126, 129, 144, 168, 172, 252, 258, 301, 336, 344, 387, 504, 516, 602, 688, 774, 903, 1008, 1032, 1204, 1548, 1806, 1877, 2064, 2408, 2709, 3096, 3612, 3754, 4816, 5418, 5631, 6192, 7224, 7508, 10836, 11262, 13139, 14448, 15016, 16893, 21672, 22524, 26278, 30032, 33786, 39417, 43344, 45048, 52556, 67572, 78834, 80711, 90096, 105112, 118251, 135144, 157668, 161422, 210224, 236502, 242133, 270288, 315336, 322844, 473004, 484266, 564977, 630672, 645688, 726399, 946008, 968532, 1129954, 1291376, 1452798, 1694931, 1892016, 1937064, 2259908, 2905596, 3389862, 3874128, 4519816, 5084793, 5811192, 6779724, 9039632, 10169586, 11622384, 13559448, 20339172, 27118896, 40678344, 81356688]

約数ペア:

[(1, 81356688), (2, 40678344), (3, 27118896), (4, 20339172), (6, 13559448), (7, 11622384), (8, 10169586), (9, 9039632), (12, 6779724), (14, 5811192), (16, 5084793), (18, 4519816), (21, 3874128), (24, 3389862), (28, 2905596), (36, 2259908), (42, 1937064), (43, 1892016), (48, 1694931), (56, 1452798), (63, 1291376), (72, 1129954), (84, 968532), (86, 946008), (112, 726399), (126, 645688), (129, 630672), (144, 564977), (168, 484266), (172, 473004), (252, 322844), (258, 315336), (301, 270288), (336, 242133), (344, 236502), (387, 210224), (504, 161422), (516, 157668), (602, 135144), (688, 118251), (774, 105112), (903, 90096), (1008, 80711), (1032, 78834), (1204, 67572), (1548, 52556), (1806, 45048), (1877, 43344), (2064, 39417), (2408, 33786), (2709, 30032), (3096, 26278), (3612, 22524), (3754, 21672), (4816, 16893), (5418, 15016), (5631, 14448), (6192, 13139), (7224, 11262), (7508, 10836)]