155455720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29221}}^1$

素因数の和:29258

約数の個数: 64

約数和(自身を含む): 420796800

約数和(自身を除く): 265341080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 29221, 58442, 116884, 146105, 204547, 233768, 292210, 409094, 555199, 584420, 818188, 1022735, 1110398, 1168840, 1636376, 2045470, 2220796, 2775995, 3886393, 4090940, 4441592, 5551990, 7772786, 8181880, 11103980, 15545572, 19431965, 22207960, 31091144, 38863930, 77727860, 155455720]

約数ペア:

[(1, 155455720), (2, 77727860), (4, 38863930), (5, 31091144), (7, 22207960), (8, 19431965), (10, 15545572), (14, 11103980), (19, 8181880), (20, 7772786), (28, 5551990), (35, 4441592), (38, 4090940), (40, 3886393), (56, 2775995), (70, 2220796), (76, 2045470), (95, 1636376), (133, 1168840), (140, 1110398), (152, 1022735), (190, 818188), (266, 584420), (280, 555199), (380, 409094), (532, 292210), (665, 233768), (760, 204547), (1064, 146105), (1330, 116884), (2660, 58442), (5320, 29221)]