128973810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 225842190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 439, 878, 1317, 1399, 2195, 2634, 2798, 3073, 4197, 4390, 6146, 6585, 6995, 8394, 9219, 9793, 13170, 13990, 15365, 18438, 19586, 20985, 29379, 30730, 41970, 46095, 48965, 58758, 92190, 97930, 146895, 293790, 614161, 1228322, 1842483, 3070805, 3684966, 4299127, 6141610, 8598254, 9212415, 12897381, 18424830, 21495635, 25794762, 42991270, 64486905, 128973810]

約数ペア:

[(1, 128973810), (2, 64486905), (3, 42991270), (5, 25794762), (6, 21495635), (7, 18424830), (10, 12897381), (14, 9212415), (15, 8598254), (21, 6141610), (30, 4299127), (35, 3684966), (42, 3070805), (70, 1842483), (105, 1228322), (210, 614161), (439, 293790), (878, 146895), (1317, 97930), (1399, 92190), (2195, 58758), (2634, 48965), (2798, 46095), (3073, 41970), (4197, 30730), (4390, 29379), (6146, 20985), (6585, 19586), (6995, 18438), (8394, 15365), (9219, 13990), (9793, 13170)]