2166640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 5946048

約数和(自身を除く): 3779408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 73, 80, 106, 112, 140, 146, 212, 265, 280, 292, 365, 371, 424, 511, 530, 560, 584, 730, 742, 848, 1022, 1060, 1168, 1460, 1484, 1855, 2044, 2120, 2555, 2920, 2968, 3710, 3869, 4088, 4240, 5110, 5840, 5936, 7420, 7738, 8176, 10220, 14840, 15476, 19345, 20440, 27083, 29680, 30952, 38690, 40880, 54166, 61904, 77380, 108332, 135415, 154760, 216664, 270830, 309520, 433328, 541660, 1083320, 2166640]

約数ペア:

[(1, 2166640), (2, 1083320), (4, 541660), (5, 433328), (7, 309520), (8, 270830), (10, 216664), (14, 154760), (16, 135415), (20, 108332), (28, 77380), (35, 61904), (40, 54166), (53, 40880), (56, 38690), (70, 30952), (73, 29680), (80, 27083), (106, 20440), (112, 19345), (140, 15476), (146, 14840), (212, 10220), (265, 8176), (280, 7738), (292, 7420), (365, 5936), (371, 5840), (424, 5110), (511, 4240), (530, 4088), (560, 3869), (584, 3710), (730, 2968), (742, 2920), (848, 2555), (1022, 2120), (1060, 2044), (1168, 1855), (1460, 1484)]