239690640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{142673}}^1$

素因数の和:142696

約数の個数: 80

約数和(自身を含む): 849195648

約数和(自身を除く): 609505008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 142673, 285346, 428019, 570692, 713365, 856038, 998711, 1141384, 1426730, 1712076, 1997422, 2140095, 2282768, 2853460, 2996133, 3424152, 3994844, 4280190, 4993555, 5706920, 5992266, 6848304, 7989688, 8560380, 9987110, 11413840, 11984532, 14980665, 15979376, 17120760, 19974220, 23969064, 29961330, 34241520, 39948440, 47938128, 59922660, 79896880, 119845320, 239690640]

約数ペア:

[(1, 239690640), (2, 119845320), (3, 79896880), (4, 59922660), (5, 47938128), (6, 39948440), (7, 34241520), (8, 29961330), (10, 23969064), (12, 19974220), (14, 17120760), (15, 15979376), (16, 14980665), (20, 11984532), (21, 11413840), (24, 9987110), (28, 8560380), (30, 7989688), (35, 6848304), (40, 5992266), (42, 5706920), (48, 4993555), (56, 4280190), (60, 3994844), (70, 3424152), (80, 2996133), (84, 2853460), (105, 2282768), (112, 2140095), (120, 1997422), (140, 1712076), (168, 1426730), (210, 1141384), (240, 998711), (280, 856038), (336, 713365), (420, 570692), (560, 428019), (840, 285346), (1680, 142673)]