78128784

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 231112440

約数和(自身を除く): 152983656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 53, 58, 72, 87, 106, 116, 144, 159, 174, 212, 232, 261, 318, 348, 353, 424, 464, 477, 522, 636, 696, 706, 848, 954, 1044, 1059, 1272, 1392, 1412, 1537, 1908, 2088, 2118, 2544, 2824, 3074, 3177, 3816, 4176, 4236, 4611, 5648, 6148, 6354, 7632, 8472, 9222, 10237, 12296, 12708, 13833, 16944, 18444, 18709, 20474, 24592, 25416, 27666, 30711, 36888, 37418, 40948, 50832, 55332, 56127, 61422, 73776, 74836, 81896, 92133, 110664, 112254, 122844, 149672, 163792, 168381, 184266, 221328, 224508, 245688, 299344, 336762, 368532, 449016, 491376, 542561, 673524, 737064, 898032, 1085122, 1347048, 1474128, 1627683, 2170244, 2694096, 3255366, 4340488, 4883049, 6510732, 8680976, 9766098, 13021464, 19532196, 26042928, 39064392, 78128784]

約数ペア:

[(1, 78128784), (2, 39064392), (3, 26042928), (4, 19532196), (6, 13021464), (8, 9766098), (9, 8680976), (12, 6510732), (16, 4883049), (18, 4340488), (24, 3255366), (29, 2694096), (36, 2170244), (48, 1627683), (53, 1474128), (58, 1347048), (72, 1085122), (87, 898032), (106, 737064), (116, 673524), (144, 542561), (159, 491376), (174, 449016), (212, 368532), (232, 336762), (261, 299344), (318, 245688), (348, 224508), (353, 221328), (424, 184266), (464, 168381), (477, 163792), (522, 149672), (636, 122844), (696, 112254), (706, 110664), (848, 92133), (954, 81896), (1044, 74836), (1059, 73776), (1272, 61422), (1392, 56127), (1412, 55332), (1537, 50832), (1908, 40948), (2088, 37418), (2118, 36888), (2544, 30711), (2824, 27666), (3074, 25416), (3177, 24592), (3816, 20474), (4176, 18709), (4236, 18444), (4611, 16944), (5648, 13833), (6148, 12708), (6354, 12296), (7632, 10237), (8472, 9222)]