1571640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1871}}^1$

素因数の和:1892

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3819720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1871, 3742, 5613, 7484, 9355, 11226, 13097, 14968, 18710, 22452, 26194, 28065, 37420, 39291, 44904, 52388, 56130, 65485, 74840, 78582, 104776, 112260, 130970, 157164, 196455, 224520, 261940, 314328, 392910, 523880, 785820, 1571640]

約数ペア:

[(1, 1571640), (2, 785820), (3, 523880), (4, 392910), (5, 314328), (6, 261940), (7, 224520), (8, 196455), (10, 157164), (12, 130970), (14, 112260), (15, 104776), (20, 78582), (21, 74840), (24, 65485), (28, 56130), (30, 52388), (35, 44904), (40, 39291), (42, 37420), (56, 28065), (60, 26194), (70, 22452), (84, 18710), (105, 14968), (120, 13097), (140, 11226), (168, 9355), (210, 7484), (280, 5613), (420, 3742), (840, 1871)]