72561380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 161239680

約数和(自身を除く): 88678300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 743, 1028, 1285, 1486, 2570, 2972, 3715, 4883, 5140, 7430, 9766, 14117, 14860, 19532, 24415, 28234, 48830, 56468, 70585, 97660, 141170, 190951, 282340, 381902, 763804, 954755, 1909510, 3628069, 3819020, 7256138, 14512276, 18140345, 36280690, 72561380]

約数ペア:

[(1, 72561380), (2, 36280690), (4, 18140345), (5, 14512276), (10, 7256138), (19, 3819020), (20, 3628069), (38, 1909510), (76, 954755), (95, 763804), (190, 381902), (257, 282340), (380, 190951), (514, 141170), (743, 97660), (1028, 70585), (1285, 56468), (1486, 48830), (2570, 28234), (2972, 24415), (3715, 19532), (4883, 14860), (5140, 14117), (7430, 9766)]