74215040

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1981

約数の個数: 64

約数和(自身を含む): 180423720

約数和(自身を除く): 106208680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1901, 1952, 2440, 3802, 3904, 4880, 7604, 7808, 9505, 9760, 15208, 19010, 19520, 30416, 38020, 39040, 60832, 76040, 115961, 121664, 152080, 231922, 243328, 304160, 463844, 579805, 608320, 927688, 1159610, 1216640, 1855376, 2319220, 3710752, 4638440, 7421504, 9276880, 14843008, 18553760, 37107520, 74215040]

約数ペア:

[(1, 74215040), (2, 37107520), (4, 18553760), (5, 14843008), (8, 9276880), (10, 7421504), (16, 4638440), (20, 3710752), (32, 2319220), (40, 1855376), (61, 1216640), (64, 1159610), (80, 927688), (122, 608320), (128, 579805), (160, 463844), (244, 304160), (305, 243328), (320, 231922), (488, 152080), (610, 121664), (640, 115961), (976, 76040), (1220, 60832), (1901, 39040), (1952, 38020), (2440, 30416), (3802, 19520), (3904, 19010), (4880, 15208), (7604, 9760), (7808, 9505)]