68809000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 178214400

約数和(自身を除く): 109405400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 67, 79, 100, 104, 125, 130, 134, 158, 200, 250, 260, 268, 316, 325, 335, 395, 500, 520, 536, 632, 650, 670, 790, 871, 1000, 1027, 1300, 1340, 1580, 1625, 1675, 1742, 1975, 2054, 2600, 2680, 3160, 3250, 3350, 3484, 3950, 4108, 4355, 5135, 5293, 6500, 6700, 6968, 7900, 8216, 8375, 8710, 9875, 10270, 10586, 13000, 13400, 15800, 16750, 17420, 19750, 20540, 21172, 21775, 25675, 26465, 33500, 34840, 39500, 41080, 42344, 43550, 51350, 52930, 67000, 68809, 79000, 87100, 102700, 105860, 108875, 128375, 132325, 137618, 174200, 205400, 211720, 217750, 256750, 264650, 275236, 344045, 435500, 513500, 529300, 550472, 661625, 688090, 871000, 1027000, 1058600, 1323250, 1376180, 1720225, 2646500, 2752360, 3440450, 5293000, 6880900, 8601125, 13761800, 17202250, 34404500, 68809000]

約数ペア:

[(1, 68809000), (2, 34404500), (4, 17202250), (5, 13761800), (8, 8601125), (10, 6880900), (13, 5293000), (20, 3440450), (25, 2752360), (26, 2646500), (40, 1720225), (50, 1376180), (52, 1323250), (65, 1058600), (67, 1027000), (79, 871000), (100, 688090), (104, 661625), (125, 550472), (130, 529300), (134, 513500), (158, 435500), (200, 344045), (250, 275236), (260, 264650), (268, 256750), (316, 217750), (325, 211720), (335, 205400), (395, 174200), (500, 137618), (520, 132325), (536, 128375), (632, 108875), (650, 105860), (670, 102700), (790, 87100), (871, 79000), (1000, 68809), (1027, 67000), (1300, 52930), (1340, 51350), (1580, 43550), (1625, 42344), (1675, 41080), (1742, 39500), (1975, 34840), (2054, 33500), (2600, 26465), (2680, 25675), (3160, 21775), (3250, 21172), (3350, 20540), (3484, 19750), (3950, 17420), (4108, 16750), (4355, 15800), (5135, 13400), (5293, 13000), (6500, 10586), (6700, 10270), (6968, 9875), (7900, 8710), (8216, 8375)]