30689724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 79831920

約数和(自身を除く): 49142196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 409, 444, 481, 507, 676, 818, 962, 1014, 1227, 1443, 1636, 1924, 2028, 2454, 2886, 4908, 5317, 5772, 6253, 10634, 12506, 15133, 15951, 18759, 21268, 25012, 30266, 31902, 37518, 45399, 60532, 63804, 69121, 75036, 90798, 138242, 181596, 196729, 207363, 276484, 393458, 414726, 590187, 786916, 829452, 1180374, 2360748, 2557477, 5114954, 7672431, 10229908, 15344862, 30689724]

約数ペア:

[(1, 30689724), (2, 15344862), (3, 10229908), (4, 7672431), (6, 5114954), (12, 2557477), (13, 2360748), (26, 1180374), (37, 829452), (39, 786916), (52, 590187), (74, 414726), (78, 393458), (111, 276484), (148, 207363), (156, 196729), (169, 181596), (222, 138242), (338, 90798), (409, 75036), (444, 69121), (481, 63804), (507, 60532), (676, 45399), (818, 37518), (962, 31902), (1014, 30266), (1227, 25012), (1443, 21268), (1636, 18759), (1924, 15951), (2028, 15133), (2454, 12506), (2886, 10634), (4908, 6253), (5317, 5772)]