788267480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19729

約数の個数: 128

約数和(自身を含む): 2381460480

約数和(自身を除く): 1593193000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 19687, 20020, 39374, 40040, 78748, 98435, 137809, 157496, 196870, 216557, 255931, 275618, 393740, 433114, 511862, 551236, 689045, 787480, 866228, 1023724, 1082785, 1102472, 1279655, 1378090, 1515899, 1732456, 1791517, 2047448, 2165570, 2559310, 2756180, 2815241, 3031798, 3583034, 4331140, 5118620, 5512360, 5630482, 6063596, 7166068, 7579495, 8662280, 8957585, 10237240, 11260964, 12127192, 14076205, 14332136, 15158990, 17915170, 19706687, 22521928, 28152410, 30317980, 35830340, 39413374, 56304820, 60635960, 71660680, 78826748, 98533435, 112609640, 157653496, 197066870, 394133740, 788267480]

約数ペア:

[(1, 788267480), (2, 394133740), (4, 197066870), (5, 157653496), (7, 112609640), (8, 98533435), (10, 78826748), (11, 71660680), (13, 60635960), (14, 56304820), (20, 39413374), (22, 35830340), (26, 30317980), (28, 28152410), (35, 22521928), (40, 19706687), (44, 17915170), (52, 15158990), (55, 14332136), (56, 14076205), (65, 12127192), (70, 11260964), (77, 10237240), (88, 8957585), (91, 8662280), (104, 7579495), (110, 7166068), (130, 6063596), (140, 5630482), (143, 5512360), (154, 5118620), (182, 4331140), (220, 3583034), (260, 3031798), (280, 2815241), (286, 2756180), (308, 2559310), (364, 2165570), (385, 2047448), (440, 1791517), (455, 1732456), (520, 1515899), (572, 1378090), (616, 1279655), (715, 1102472), (728, 1082785), (770, 1023724), (910, 866228), (1001, 787480), (1144, 689045), (1430, 551236), (1540, 511862), (1820, 433114), (2002, 393740), (2860, 275618), (3080, 255931), (3640, 216557), (4004, 196870), (5005, 157496), (5720, 137809), (8008, 98435), (10010, 78748), (19687, 40040), (20020, 39374)]