72340144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 154990080

約数和(自身を除く): 82649936

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 61, 76, 83, 94, 122, 152, 166, 188, 244, 304, 332, 376, 488, 664, 752, 893, 976, 1159, 1328, 1577, 1786, 2318, 2867, 3154, 3572, 3901, 4636, 5063, 5734, 6308, 7144, 7802, 9272, 10126, 11468, 12616, 14288, 15604, 18544, 20252, 22936, 25232, 31208, 40504, 45872, 54473, 62416, 74119, 81008, 96197, 108946, 148238, 192394, 217892, 237961, 296476, 384788, 435784, 475922, 592952, 769576, 871568, 951844, 1185904, 1539152, 1903688, 3807376, 4521259, 9042518, 18085036, 36170072, 72340144]

約数ペア:

[(1, 72340144), (2, 36170072), (4, 18085036), (8, 9042518), (16, 4521259), (19, 3807376), (38, 1903688), (47, 1539152), (61, 1185904), (76, 951844), (83, 871568), (94, 769576), (122, 592952), (152, 475922), (166, 435784), (188, 384788), (244, 296476), (304, 237961), (332, 217892), (376, 192394), (488, 148238), (664, 108946), (752, 96197), (893, 81008), (976, 74119), (1159, 62416), (1328, 54473), (1577, 45872), (1786, 40504), (2318, 31208), (2867, 25232), (3154, 22936), (3572, 20252), (3901, 18544), (4636, 15604), (5063, 14288), (5734, 12616), (6308, 11468), (7144, 10126), (7802, 9272)]