123745680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171869}}^1$

素因数の和:171888

約数の個数: 60

約数和(自身を含む): 415581660

約数和(自身を除く): 291835980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171869, 343738, 515607, 687476, 859345, 1031214, 1374952, 1546821, 1718690, 2062428, 2578035, 2749904, 3093642, 3437380, 4124856, 5156070, 6187284, 6874760, 7734105, 8249712, 10312140, 12374568, 13749520, 15468210, 20624280, 24749136, 30936420, 41248560, 61872840, 123745680]

約数ペア:

[(1, 123745680), (2, 61872840), (3, 41248560), (4, 30936420), (5, 24749136), (6, 20624280), (8, 15468210), (9, 13749520), (10, 12374568), (12, 10312140), (15, 8249712), (16, 7734105), (18, 6874760), (20, 6187284), (24, 5156070), (30, 4124856), (36, 3437380), (40, 3093642), (45, 2749904), (48, 2578035), (60, 2062428), (72, 1718690), (80, 1546821), (90, 1374952), (120, 1031214), (144, 859345), (180, 687476), (240, 515607), (360, 343738), (720, 171869)]