74775780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5937

約数の個数: 72

約数和(自身を含む): 230053824

約数和(自身を除く): 155278044

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, 5851, 6390, 11702, 12780, 17553, 23404, 29255, 35106, 52659, 58510, 70212, 87765, 105318, 117020, 175530, 210636, 263295, 351060, 415421, 526590, 830842, 1053180, 1246263, 1661684, 2077105, 2492526, 3738789, 4154210, 4985052, 6231315, 7477578, 8308420, 12462630, 14955156, 18693945, 24925260, 37387890, 74775780]

約数ペア:

[(1, 74775780), (2, 37387890), (3, 24925260), (4, 18693945), (5, 14955156), (6, 12462630), (9, 8308420), (10, 7477578), (12, 6231315), (15, 4985052), (18, 4154210), (20, 3738789), (30, 2492526), (36, 2077105), (45, 1661684), (60, 1246263), (71, 1053180), (90, 830842), (142, 526590), (180, 415421), (213, 351060), (284, 263295), (355, 210636), (426, 175530), (639, 117020), (710, 105318), (852, 87765), (1065, 70212), (1278, 58510), (1420, 52659), (2130, 35106), (2556, 29255), (3195, 23404), (4260, 17553), (5851, 12780), (6390, 11702)]