1870140

素因数分解:

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

素因数の和:522

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3452100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 439, 710, 852, 878, 1065, 1317, 1420, 1756, 2130, 2195, 2634, 4260, 4390, 5268, 6585, 8780, 13170, 26340, 31169, 62338, 93507, 124676, 155845, 187014, 311690, 374028, 467535, 623380, 935070, 1870140]

約数ペア:

[(1, 1870140), (2, 935070), (3, 623380), (4, 467535), (5, 374028), (6, 311690), (10, 187014), (12, 155845), (15, 124676), (20, 93507), (30, 62338), (60, 31169), (71, 26340), (142, 13170), (213, 8780), (284, 6585), (355, 5268), (426, 4390), (439, 4260), (710, 2634), (852, 2195), (878, 2130), (1065, 1756), (1317, 1420)]