2725520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 7523328

約数和(自身を除く): 4797808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 157, 217, 248, 280, 310, 314, 434, 496, 560, 620, 628, 785, 868, 1085, 1099, 1240, 1256, 1570, 1736, 2170, 2198, 2480, 2512, 3140, 3472, 4340, 4396, 4867, 5495, 6280, 8680, 8792, 9734, 10990, 12560, 17360, 17584, 19468, 21980, 24335, 34069, 38936, 43960, 48670, 68138, 77872, 87920, 97340, 136276, 170345, 194680, 272552, 340690, 389360, 545104, 681380, 1362760, 2725520]

約数ペア:

[(1, 2725520), (2, 1362760), (4, 681380), (5, 545104), (7, 389360), (8, 340690), (10, 272552), (14, 194680), (16, 170345), (20, 136276), (28, 97340), (31, 87920), (35, 77872), (40, 68138), (56, 48670), (62, 43960), (70, 38936), (80, 34069), (112, 24335), (124, 21980), (140, 19468), (155, 17584), (157, 17360), (217, 12560), (248, 10990), (280, 9734), (310, 8792), (314, 8680), (434, 6280), (496, 5495), (560, 4867), (620, 4396), (628, 4340), (785, 3472), (868, 3140), (1085, 2512), (1099, 2480), (1240, 2198), (1256, 2170), (1570, 1736)]