4539640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 12072960

約数和(自身を除く): 7533320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 523, 620, 868, 1046, 1085, 1240, 1736, 2092, 2170, 2615, 3661, 4184, 4340, 5230, 7322, 8680, 10460, 14644, 16213, 18305, 20920, 29288, 32426, 36610, 64852, 73220, 81065, 113491, 129704, 146440, 162130, 226982, 324260, 453964, 567455, 648520, 907928, 1134910, 2269820, 4539640]

約数ペア:

[(1, 4539640), (2, 2269820), (4, 1134910), (5, 907928), (7, 648520), (8, 567455), (10, 453964), (14, 324260), (20, 226982), (28, 162130), (31, 146440), (35, 129704), (40, 113491), (56, 81065), (62, 73220), (70, 64852), (124, 36610), (140, 32426), (155, 29288), (217, 20920), (248, 18305), (280, 16213), (310, 14644), (434, 10460), (523, 8680), (620, 7322), (868, 5230), (1046, 4340), (1085, 4184), (1240, 3661), (1736, 2615), (2092, 2170)]