287899380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1237}}^1$

素因数の和:1686

約数の個数: 96

約数和(自身を含む): 898490880

約数和(自身を除く): 610591500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 431, 540, 862, 1237, 1293, 1724, 2155, 2474, 2586, 3711, 3879, 4310, 4948, 5172, 6185, 6465, 7422, 7758, 8620, 11133, 11637, 12370, 12930, 14844, 15516, 18555, 19395, 22266, 23274, 24740, 25860, 33399, 37110, 38790, 44532, 46548, 55665, 58185, 66798, 74220, 77580, 111330, 116370, 133596, 166995, 222660, 232740, 333990, 533147, 667980, 1066294, 1599441, 2132588, 2665735, 3198882, 4798323, 5331470, 6397764, 7997205, 9596646, 10662940, 14394969, 15994410, 19193292, 23991615, 28789938, 31988820, 47983230, 57579876, 71974845, 95966460, 143949690, 287899380]

約数ペア:

[(1, 287899380), (2, 143949690), (3, 95966460), (4, 71974845), (5, 57579876), (6, 47983230), (9, 31988820), (10, 28789938), (12, 23991615), (15, 19193292), (18, 15994410), (20, 14394969), (27, 10662940), (30, 9596646), (36, 7997205), (45, 6397764), (54, 5331470), (60, 4798323), (90, 3198882), (108, 2665735), (135, 2132588), (180, 1599441), (270, 1066294), (431, 667980), (540, 533147), (862, 333990), (1237, 232740), (1293, 222660), (1724, 166995), (2155, 133596), (2474, 116370), (2586, 111330), (3711, 77580), (3879, 74220), (4310, 66798), (4948, 58185), (5172, 55665), (6185, 46548), (6465, 44532), (7422, 38790), (7758, 37110), (8620, 33399), (11133, 25860), (11637, 24740), (12370, 23274), (12930, 22266), (14844, 19395), (15516, 18555)]