64728860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27197}}^1$

素因数の和:27230

約数の個数: 48

約数和(自身を含む): 164493504

約数和(自身を除く): 99764644

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 27197, 54394, 108788, 135985, 190379, 271970, 380758, 462349, 543940, 761516, 924698, 951895, 1849396, 1903790, 2311745, 3236443, 3807580, 4623490, 6472886, 9246980, 12945772, 16182215, 32364430, 64728860]

約数ペア:

[(1, 64728860), (2, 32364430), (4, 16182215), (5, 12945772), (7, 9246980), (10, 6472886), (14, 4623490), (17, 3807580), (20, 3236443), (28, 2311745), (34, 1903790), (35, 1849396), (68, 951895), (70, 924698), (85, 761516), (119, 543940), (140, 462349), (170, 380758), (238, 271970), (340, 190379), (476, 135985), (595, 108788), (1190, 54394), (2380, 27197)]