1280394960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{410383}}^1$

素因数の和:410412

約数の個数: 80

約数和(自身を含む): 4274559744

約数和(自身を除く): 2994164784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 410383, 820766, 1231149, 1641532, 2051915, 2462298, 3283064, 4103830, 4924596, 5334979, 6155745, 6566128, 8207660, 9849192, 10669958, 12311490, 16004937, 16415320, 19698384, 21339916, 24622980, 26674895, 32009874, 32830640, 42679832, 49245960, 53349790, 64019748, 80024685, 85359664, 98491920, 106699580, 128039496, 160049370, 213399160, 256078992, 320098740, 426798320, 640197480, 1280394960]

約数ペア:

[(1, 1280394960), (2, 640197480), (3, 426798320), (4, 320098740), (5, 256078992), (6, 213399160), (8, 160049370), (10, 128039496), (12, 106699580), (13, 98491920), (15, 85359664), (16, 80024685), (20, 64019748), (24, 53349790), (26, 49245960), (30, 42679832), (39, 32830640), (40, 32009874), (48, 26674895), (52, 24622980), (60, 21339916), (65, 19698384), (78, 16415320), (80, 16004937), (104, 12311490), (120, 10669958), (130, 9849192), (156, 8207660), (195, 6566128), (208, 6155745), (240, 5334979), (260, 4924596), (312, 4103830), (390, 3283064), (520, 2462298), (624, 2051915), (780, 1641532), (1040, 1231149), (1560, 820766), (3120, 410383)]