12562740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 38683008

約数和(自身を除く): 26120268

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, 983, 1065, 1278, 1420, 1966, 2130, 2556, 2949, 3195, 3932, 4260, 4915, 5898, 6390, 8847, 9830, 11796, 12780, 14745, 17694, 19660, 29490, 35388, 44235, 58980, 69793, 88470, 139586, 176940, 209379, 279172, 348965, 418758, 628137, 697930, 837516, 1046895, 1256274, 1395860, 2093790, 2512548, 3140685, 4187580, 6281370, 12562740]

約数ペア:

[(1, 12562740), (2, 6281370), (3, 4187580), (4, 3140685), (5, 2512548), (6, 2093790), (9, 1395860), (10, 1256274), (12, 1046895), (15, 837516), (18, 697930), (20, 628137), (30, 418758), (36, 348965), (45, 279172), (60, 209379), (71, 176940), (90, 139586), (142, 88470), (180, 69793), (213, 58980), (284, 44235), (355, 35388), (426, 29490), (639, 19660), (710, 17694), (852, 14745), (983, 12780), (1065, 11796), (1278, 9830), (1420, 8847), (1966, 6390), (2130, 5898), (2556, 4915), (2949, 4260), (3195, 3932)]