30689940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26921}}^1$

素因数の和:26952

約数の個数: 48

約数和(自身を含む): 90457920

約数和(自身を除く): 59767980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 26921, 53842, 80763, 107684, 134605, 161526, 269210, 323052, 403815, 511499, 538420, 807630, 1022998, 1534497, 1615260, 2045996, 2557495, 3068994, 5114990, 6137988, 7672485, 10229980, 15344970, 30689940]

約数ペア:

[(1, 30689940), (2, 15344970), (3, 10229980), (4, 7672485), (5, 6137988), (6, 5114990), (10, 3068994), (12, 2557495), (15, 2045996), (19, 1615260), (20, 1534497), (30, 1022998), (38, 807630), (57, 538420), (60, 511499), (76, 403815), (95, 323052), (114, 269210), (190, 161526), (228, 134605), (285, 107684), (380, 80763), (570, 53842), (1140, 26921)]