326156720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 789592320

約数和(自身を除く): 463435600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 688, 860, 944, 1180, 1607, 1720, 2360, 2537, 3214, 3440, 4720, 5074, 6428, 8035, 10148, 12685, 12856, 16070, 20296, 25370, 25712, 32140, 40592, 50740, 64280, 69101, 94813, 101480, 128560, 138202, 189626, 202960, 276404, 345505, 379252, 474065, 552808, 691010, 758504, 948130, 1105616, 1382020, 1517008, 1896260, 2764040, 3792520, 4076959, 5528080, 7585040, 8153918, 16307836, 20384795, 32615672, 40769590, 65231344, 81539180, 163078360, 326156720]

約数ペア:

[(1, 326156720), (2, 163078360), (4, 81539180), (5, 65231344), (8, 40769590), (10, 32615672), (16, 20384795), (20, 16307836), (40, 8153918), (43, 7585040), (59, 5528080), (80, 4076959), (86, 3792520), (118, 2764040), (172, 1896260), (215, 1517008), (236, 1382020), (295, 1105616), (344, 948130), (430, 758504), (472, 691010), (590, 552808), (688, 474065), (860, 379252), (944, 345505), (1180, 276404), (1607, 202960), (1720, 189626), (2360, 138202), (2537, 128560), (3214, 101480), (3440, 94813), (4720, 69101), (5074, 64280), (6428, 50740), (8035, 40592), (10148, 32140), (12685, 25712), (12856, 25370), (16070, 20296)]