77677020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 236431104

約数和(自身を除く): 158754084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1087, 1191, 1588, 1985, 2174, 2382, 3261, 3573, 3970, 4348, 4764, 5435, 5955, 6522, 7146, 7940, 9783, 10870, 11910, 13044, 14292, 16305, 17865, 19566, 21740, 23820, 32610, 35730, 39132, 48915, 65220, 71460, 97830, 195660, 431539, 863078, 1294617, 1726156, 2157695, 2589234, 3883851, 4315390, 5178468, 6473085, 7767702, 8630780, 12946170, 15535404, 19419255, 25892340, 38838510, 77677020]

約数ペア:

[(1, 77677020), (2, 38838510), (3, 25892340), (4, 19419255), (5, 15535404), (6, 12946170), (9, 8630780), (10, 7767702), (12, 6473085), (15, 5178468), (18, 4315390), (20, 3883851), (30, 2589234), (36, 2157695), (45, 1726156), (60, 1294617), (90, 863078), (180, 431539), (397, 195660), (794, 97830), (1087, 71460), (1191, 65220), (1588, 48915), (1985, 39132), (2174, 35730), (2382, 32610), (3261, 23820), (3573, 21740), (3970, 19566), (4348, 17865), (4764, 16305), (5435, 14292), (5955, 13044), (6522, 11910), (7146, 10870), (7940, 9783)]