2257640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 6341760

約数和(自身を除く): 4084120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 733, 770, 1466, 1540, 2932, 3080, 3665, 5131, 5864, 7330, 8063, 10262, 14660, 16126, 20524, 25655, 29320, 32252, 40315, 41048, 51310, 56441, 64504, 80630, 102620, 112882, 161260, 205240, 225764, 282205, 322520, 451528, 564410, 1128820, 2257640]

約数ペア:

[(1, 2257640), (2, 1128820), (4, 564410), (5, 451528), (7, 322520), (8, 282205), (10, 225764), (11, 205240), (14, 161260), (20, 112882), (22, 102620), (28, 80630), (35, 64504), (40, 56441), (44, 51310), (55, 41048), (56, 40315), (70, 32252), (77, 29320), (88, 25655), (110, 20524), (140, 16126), (154, 14660), (220, 10262), (280, 8063), (308, 7330), (385, 5864), (440, 5131), (616, 3665), (733, 3080), (770, 2932), (1466, 1540)]