66604880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1572

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 102134320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1511, 1520, 2204, 2320, 2755, 3022, 4408, 5510, 6044, 7555, 8816, 11020, 12088, 15110, 22040, 24176, 28709, 30220, 43819, 44080, 57418, 60440, 87638, 114836, 120880, 143545, 175276, 219095, 229672, 287090, 350552, 438190, 459344, 574180, 701104, 832561, 876380, 1148360, 1665122, 1752760, 2296720, 3330244, 3505520, 4162805, 6660488, 8325610, 13320976, 16651220, 33302440, 66604880]

約数ペア:

[(1, 66604880), (2, 33302440), (4, 16651220), (5, 13320976), (8, 8325610), (10, 6660488), (16, 4162805), (19, 3505520), (20, 3330244), (29, 2296720), (38, 1752760), (40, 1665122), (58, 1148360), (76, 876380), (80, 832561), (95, 701104), (116, 574180), (145, 459344), (152, 438190), (190, 350552), (232, 287090), (290, 229672), (304, 219095), (380, 175276), (464, 143545), (551, 120880), (580, 114836), (760, 87638), (1102, 60440), (1160, 57418), (1511, 44080), (1520, 43819), (2204, 30220), (2320, 28709), (2755, 24176), (3022, 22040), (4408, 15110), (5510, 12088), (6044, 11020), (7555, 8816)]