2805210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 7413120

約数和(自身を除く): 4607910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 439, 639, 710, 878, 1065, 1278, 1317, 2130, 2195, 2634, 3195, 3951, 4390, 6390, 6585, 7902, 13170, 19755, 31169, 39510, 62338, 93507, 155845, 187014, 280521, 311690, 467535, 561042, 935070, 1402605, 2805210]

約数ペア:

[(1, 2805210), (2, 1402605), (3, 935070), (5, 561042), (6, 467535), (9, 311690), (10, 280521), (15, 187014), (18, 155845), (30, 93507), (45, 62338), (71, 39510), (90, 31169), (142, 19755), (213, 13170), (355, 7902), (426, 6585), (439, 6390), (639, 4390), (710, 3951), (878, 3195), (1065, 2634), (1278, 2195), (1317, 2130)]