12744420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16339}}^1$

素因数の和:16364

約数の個数: 48

約数和(自身を含む): 38431680

約数和(自身を除く): 25687260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16339, 32678, 49017, 65356, 81695, 98034, 163390, 196068, 212407, 245085, 326780, 424814, 490170, 637221, 849628, 980340, 1062035, 1274442, 2124070, 2548884, 3186105, 4248140, 6372210, 12744420]

約数ペア:

[(1, 12744420), (2, 6372210), (3, 4248140), (4, 3186105), (5, 2548884), (6, 2124070), (10, 1274442), (12, 1062035), (13, 980340), (15, 849628), (20, 637221), (26, 490170), (30, 424814), (39, 326780), (52, 245085), (60, 212407), (65, 196068), (78, 163390), (130, 98034), (156, 81695), (195, 65356), (260, 49017), (390, 32678), (780, 16339)]