123161920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{54983}}^1$

素因数の和:55007

約数の個数: 56

約数和(自身を含む): 335182464

約数和(自身を除く): 212020544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 54983, 109966, 219932, 274915, 384881, 439864, 549830, 769762, 879728, 1099660, 1539524, 1759456, 1924405, 2199320, 3079048, 3518912, 3848810, 4398640, 6158096, 7697620, 8797280, 12316192, 15395240, 17594560, 24632384, 30790480, 61580960, 123161920]

約数ペア:

[(1, 123161920), (2, 61580960), (4, 30790480), (5, 24632384), (7, 17594560), (8, 15395240), (10, 12316192), (14, 8797280), (16, 7697620), (20, 6158096), (28, 4398640), (32, 3848810), (35, 3518912), (40, 3079048), (56, 2199320), (64, 1924405), (70, 1759456), (80, 1539524), (112, 1099660), (140, 879728), (160, 769762), (224, 549830), (280, 439864), (320, 384881), (448, 274915), (560, 219932), (1120, 109966), (2240, 54983)]