66715860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15661}}^1$

素因数の和:15744

約数の個数: 48

約数和(自身を含む): 189447552

約数和(自身を除く): 122731692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 15661, 31322, 46983, 62644, 78305, 93966, 156610, 187932, 234915, 313220, 469830, 939660, 1111931, 2223862, 3335793, 4447724, 5559655, 6671586, 11119310, 13343172, 16678965, 22238620, 33357930, 66715860]

約数ペア:

[(1, 66715860), (2, 33357930), (3, 22238620), (4, 16678965), (5, 13343172), (6, 11119310), (10, 6671586), (12, 5559655), (15, 4447724), (20, 3335793), (30, 2223862), (60, 1111931), (71, 939660), (142, 469830), (213, 313220), (284, 234915), (355, 187932), (426, 156610), (710, 93966), (852, 78305), (1065, 62644), (1420, 46983), (2130, 31322), (4260, 15661)]