321203680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{286789}}^1$

素因数の和:286811

約数の個数: 48

約数和(自身を含む): 867252960

約数和(自身を除く): 546049280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 286789, 573578, 1147156, 1433945, 2007523, 2294312, 2867890, 4015046, 4588624, 5735780, 8030092, 9177248, 10037615, 11471560, 16060184, 20075230, 22943120, 32120368, 40150460, 45886240, 64240736, 80300920, 160601840, 321203680]

約数ペア:

[(1, 321203680), (2, 160601840), (4, 80300920), (5, 64240736), (7, 45886240), (8, 40150460), (10, 32120368), (14, 22943120), (16, 20075230), (20, 16060184), (28, 11471560), (32, 10037615), (35, 9177248), (40, 8030092), (56, 5735780), (70, 4588624), (80, 4015046), (112, 2867890), (140, 2294312), (160, 2007523), (224, 1433945), (280, 1147156), (560, 573578), (1120, 286789)]