61489620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1619}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 187518240

約数和(自身を除く): 126028620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1619, 1899, 2110, 2532, 3165, 3238, 3798, 4220, 4857, 6330, 6476, 7596, 8095, 9495, 9714, 12660, 14571, 16190, 18990, 19428, 24285, 29142, 32380, 37980, 48570, 58284, 72855, 97140, 145710, 291420, 341609, 683218, 1024827, 1366436, 1708045, 2049654, 3074481, 3416090, 4099308, 5124135, 6148962, 6832180, 10248270, 12297924, 15372405, 20496540, 30744810, 61489620]

約数ペア:

[(1, 61489620), (2, 30744810), (3, 20496540), (4, 15372405), (5, 12297924), (6, 10248270), (9, 6832180), (10, 6148962), (12, 5124135), (15, 4099308), (18, 3416090), (20, 3074481), (30, 2049654), (36, 1708045), (45, 1366436), (60, 1024827), (90, 683218), (180, 341609), (211, 291420), (422, 145710), (633, 97140), (844, 72855), (1055, 58284), (1266, 48570), (1619, 37980), (1899, 32380), (2110, 29142), (2532, 24285), (3165, 19428), (3238, 18990), (3798, 16190), (4220, 14571), (4857, 12660), (6330, 9714), (6476, 9495), (7596, 8095)]