66695720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 187971840

約数和(自身を除く): 121276120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 251, 260, 280, 292, 364, 365, 455, 502, 511, 520, 584, 728, 730, 910, 949, 1004, 1022, 1255, 1460, 1757, 1820, 1898, 2008, 2044, 2510, 2555, 2920, 3263, 3514, 3640, 3796, 4088, 4745, 5020, 5110, 6526, 6643, 7028, 7592, 8785, 9490, 10040, 10220, 13052, 13286, 14056, 16315, 17570, 18323, 18980, 20440, 22841, 26104, 26572, 32630, 33215, 35140, 36646, 37960, 45682, 53144, 65260, 66430, 70280, 73292, 91364, 91615, 114205, 128261, 130520, 132860, 146584, 182728, 183230, 228410, 238199, 256522, 265720, 366460, 456820, 476398, 513044, 641305, 732920, 913640, 952796, 1026088, 1190995, 1282610, 1667393, 1905592, 2381990, 2565220, 3334786, 4763980, 5130440, 6669572, 8336965, 9527960, 13339144, 16673930, 33347860, 66695720]

約数ペア:

[(1, 66695720), (2, 33347860), (4, 16673930), (5, 13339144), (7, 9527960), (8, 8336965), (10, 6669572), (13, 5130440), (14, 4763980), (20, 3334786), (26, 2565220), (28, 2381990), (35, 1905592), (40, 1667393), (52, 1282610), (56, 1190995), (65, 1026088), (70, 952796), (73, 913640), (91, 732920), (104, 641305), (130, 513044), (140, 476398), (146, 456820), (182, 366460), (251, 265720), (260, 256522), (280, 238199), (292, 228410), (364, 183230), (365, 182728), (455, 146584), (502, 132860), (511, 130520), (520, 128261), (584, 114205), (728, 91615), (730, 91364), (910, 73292), (949, 70280), (1004, 66430), (1022, 65260), (1255, 53144), (1460, 45682), (1757, 37960), (1820, 36646), (1898, 35140), (2008, 33215), (2044, 32630), (2510, 26572), (2555, 26104), (2920, 22841), (3263, 20440), (3514, 18980), (3640, 18323), (3796, 17570), (4088, 16315), (4745, 14056), (5020, 13286), (5110, 13052), (6526, 10220), (6643, 10040), (7028, 9490), (7592, 8785)]