81803680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73039}}^1$

素因数の和:73061

約数の個数: 48

約数和(自身を含む): 220872960

約数和(自身を除く): 139069280

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, 73039, 146078, 292156, 365195, 511273, 584312, 730390, 1022546, 1168624, 1460780, 2045092, 2337248, 2556365, 2921560, 4090184, 5112730, 5843120, 8180368, 10225460, 11686240, 16360736, 20450920, 40901840, 81803680]

約数ペア:

[(1, 81803680), (2, 40901840), (4, 20450920), (5, 16360736), (7, 11686240), (8, 10225460), (10, 8180368), (14, 5843120), (16, 5112730), (20, 4090184), (28, 2921560), (32, 2556365), (35, 2337248), (40, 2045092), (56, 1460780), (70, 1168624), (80, 1022546), (112, 730390), (140, 584312), (160, 511273), (224, 365195), (280, 292156), (560, 146078), (1120, 73039)]