1122420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 2264460

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, 1439, 2878, 4317, 5756, 7195, 8634, 14390, 17268, 18707, 21585, 28780, 37414, 43170, 56121, 74828, 86340, 93535, 112242, 187070, 224484, 280605, 374140, 561210, 1122420]

約数ペア:

[(1, 1122420), (2, 561210), (3, 374140), (4, 280605), (5, 224484), (6, 187070), (10, 112242), (12, 93535), (13, 86340), (15, 74828), (20, 56121), (26, 43170), (30, 37414), (39, 28780), (52, 21585), (60, 18707), (65, 17268), (78, 14390), (130, 8634), (156, 7195), (195, 5756), (260, 4317), (390, 2878), (780, 1439)]