61375720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 159350400

約数和(自身を除く): 97974680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2011, 2180, 3052, 3815, 4022, 4360, 6104, 7630, 8044, 10055, 14077, 15260, 16088, 20110, 28154, 30520, 40220, 56308, 70385, 80440, 112616, 140770, 219199, 281540, 438398, 563080, 876796, 1095995, 1534393, 1753592, 2191990, 3068786, 4383980, 6137572, 7671965, 8767960, 12275144, 15343930, 30687860, 61375720]

約数ペア:

[(1, 61375720), (2, 30687860), (4, 15343930), (5, 12275144), (7, 8767960), (8, 7671965), (10, 6137572), (14, 4383980), (20, 3068786), (28, 2191990), (35, 1753592), (40, 1534393), (56, 1095995), (70, 876796), (109, 563080), (140, 438398), (218, 281540), (280, 219199), (436, 140770), (545, 112616), (763, 80440), (872, 70385), (1090, 56308), (1526, 40220), (2011, 30520), (2180, 28154), (3052, 20110), (3815, 16088), (4022, 15260), (4360, 14077), (6104, 10055), (7630, 8044)]