128020064

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 272321280

約数和(自身を除く): 144301216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 109, 127, 136, 218, 254, 272, 289, 436, 508, 544, 578, 872, 1016, 1156, 1744, 1853, 2032, 2159, 2312, 3488, 3706, 4064, 4318, 4624, 7412, 8636, 9248, 13843, 14824, 17272, 27686, 29648, 31501, 34544, 36703, 55372, 59296, 63002, 69088, 73406, 110744, 126004, 146812, 221488, 235331, 252008, 293624, 442976, 470662, 504016, 587248, 941324, 1008032, 1174496, 1882648, 3765296, 4000627, 7530592, 8001254, 16002508, 32005016, 64010032, 128020064]

約数ペア:

[(1, 128020064), (2, 64010032), (4, 32005016), (8, 16002508), (16, 8001254), (17, 7530592), (32, 4000627), (34, 3765296), (68, 1882648), (109, 1174496), (127, 1008032), (136, 941324), (218, 587248), (254, 504016), (272, 470662), (289, 442976), (436, 293624), (508, 252008), (544, 235331), (578, 221488), (872, 146812), (1016, 126004), (1156, 110744), (1744, 73406), (1853, 69088), (2032, 63002), (2159, 59296), (2312, 55372), (3488, 36703), (3706, 34544), (4064, 31501), (4318, 29648), (4624, 27686), (7412, 17272), (8636, 14824), (9248, 13843)]