68845860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5387}}^1$

素因数の和:5473

約数の個数: 72

約数和(自身を含む): 211813056

約数和(自身を除く): 142967196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5387, 6390, 10774, 12780, 16161, 21548, 26935, 32322, 48483, 53870, 64644, 80805, 96966, 107740, 161610, 193932, 242415, 323220, 382477, 484830, 764954, 969660, 1147431, 1529908, 1912385, 2294862, 3442293, 3824770, 4589724, 5737155, 6884586, 7649540, 11474310, 13769172, 17211465, 22948620, 34422930, 68845860]

約数ペア:

[(1, 68845860), (2, 34422930), (3, 22948620), (4, 17211465), (5, 13769172), (6, 11474310), (9, 7649540), (10, 6884586), (12, 5737155), (15, 4589724), (18, 3824770), (20, 3442293), (30, 2294862), (36, 1912385), (45, 1529908), (60, 1147431), (71, 969660), (90, 764954), (142, 484830), (180, 382477), (213, 323220), (284, 242415), (355, 193932), (426, 161610), (639, 107740), (710, 96966), (852, 80805), (1065, 64644), (1278, 53870), (1420, 48483), (2130, 32322), (2556, 26935), (3195, 21548), (4260, 16161), (5387, 12780), (6390, 10774)]