407603280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{242621}}^1$

素因数の和:242644

約数の個数: 80

約数和(自身を含む): 1444086144

約数和(自身を除く): 1036482864

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, 242621, 485242, 727863, 970484, 1213105, 1455726, 1698347, 1940968, 2426210, 2911452, 3396694, 3639315, 3881936, 4852420, 5095041, 5822904, 6793388, 7278630, 8491735, 9704840, 10190082, 11645808, 13586776, 14557260, 16983470, 19409680, 20380164, 25475205, 27173552, 29114520, 33966940, 40760328, 50950410, 58229040, 67933880, 81520656, 101900820, 135867760, 203801640, 407603280]

約数ペア:

[(1, 407603280), (2, 203801640), (3, 135867760), (4, 101900820), (5, 81520656), (6, 67933880), (7, 58229040), (8, 50950410), (10, 40760328), (12, 33966940), (14, 29114520), (15, 27173552), (16, 25475205), (20, 20380164), (21, 19409680), (24, 16983470), (28, 14557260), (30, 13586776), (35, 11645808), (40, 10190082), (42, 9704840), (48, 8491735), (56, 7278630), (60, 6793388), (70, 5822904), (80, 5095041), (84, 4852420), (105, 3881936), (112, 3639315), (120, 3396694), (140, 2911452), (168, 2426210), (210, 1940968), (240, 1698347), (280, 1455726), (336, 1213105), (420, 970484), (560, 727863), (840, 485242), (1680, 242621)]