80937870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 139693170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 71, 74, 78, 79, 111, 130, 142, 158, 185, 195, 213, 222, 237, 355, 370, 390, 395, 426, 474, 481, 555, 710, 790, 923, 962, 1027, 1065, 1110, 1185, 1443, 1846, 2054, 2130, 2370, 2405, 2627, 2769, 2886, 2923, 3081, 4615, 4810, 5135, 5254, 5538, 5609, 5846, 6162, 7215, 7881, 8769, 9230, 10270, 11218, 13135, 13845, 14430, 14615, 15405, 15762, 16827, 17538, 26270, 27690, 28045, 29230, 30810, 33654, 34151, 37999, 39405, 43845, 56090, 68302, 72917, 75998, 78810, 84135, 87690, 102453, 113997, 145834, 168270, 170755, 189995, 204906, 207533, 218751, 227994, 341510, 364585, 379990, 415066, 437502, 512265, 569985, 622599, 729170, 1024530, 1037665, 1093755, 1139970, 1245198, 2075330, 2187510, 2697929, 3112995, 5395858, 6225990, 8093787, 13489645, 16187574, 26979290, 40468935, 80937870]

約数ペア:

[(1, 80937870), (2, 40468935), (3, 26979290), (5, 16187574), (6, 13489645), (10, 8093787), (13, 6225990), (15, 5395858), (26, 3112995), (30, 2697929), (37, 2187510), (39, 2075330), (65, 1245198), (71, 1139970), (74, 1093755), (78, 1037665), (79, 1024530), (111, 729170), (130, 622599), (142, 569985), (158, 512265), (185, 437502), (195, 415066), (213, 379990), (222, 364585), (237, 341510), (355, 227994), (370, 218751), (390, 207533), (395, 204906), (426, 189995), (474, 170755), (481, 168270), (555, 145834), (710, 113997), (790, 102453), (923, 87690), (962, 84135), (1027, 78810), (1065, 75998), (1110, 72917), (1185, 68302), (1443, 56090), (1846, 43845), (2054, 39405), (2130, 37999), (2370, 34151), (2405, 33654), (2627, 30810), (2769, 29230), (2886, 28045), (2923, 27690), (3081, 26270), (4615, 17538), (4810, 16827), (5135, 15762), (5254, 15405), (5538, 14615), (5609, 14430), (5846, 13845), (6162, 13135), (7215, 11218), (7881, 10270), (8769, 9230)]