2646280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 7338240

約数和(自身を除く): 4691960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 727, 728, 910, 1454, 1820, 2908, 3635, 3640, 5089, 5816, 7270, 9451, 10178, 14540, 18902, 20356, 25445, 29080, 37804, 40712, 47255, 50890, 66157, 75608, 94510, 101780, 132314, 189020, 203560, 264628, 330785, 378040, 529256, 661570, 1323140, 2646280]

約数ペア:

[(1, 2646280), (2, 1323140), (4, 661570), (5, 529256), (7, 378040), (8, 330785), (10, 264628), (13, 203560), (14, 189020), (20, 132314), (26, 101780), (28, 94510), (35, 75608), (40, 66157), (52, 50890), (56, 47255), (65, 40712), (70, 37804), (91, 29080), (104, 25445), (130, 20356), (140, 18902), (182, 14540), (260, 10178), (280, 9451), (364, 7270), (455, 5816), (520, 5089), (727, 3640), (728, 3635), (910, 2908), (1454, 1820)]