138587680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1607}}^1$

素因数の和:1647

約数の個数: 144

約数和(自身を含む): 415751616

約数和(自身を除く): 277163936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1607, 1760, 1960, 2156, 2464, 2695, 3080, 3214, 3920, 4312, 5390, 6160, 6428, 7840, 8035, 8624, 10780, 11249, 12320, 12856, 16070, 17248, 17677, 21560, 22498, 25712, 32140, 35354, 43120, 44996, 51424, 56245, 64280, 70708, 78743, 86240, 88385, 89992, 112490, 123739, 128560, 141416, 157486, 176770, 179984, 224980, 247478, 257120, 282832, 314972, 353540, 359968, 393715, 449960, 494956, 565664, 618695, 629944, 707080, 787430, 866173, 899920, 989912, 1237390, 1259888, 1414160, 1574860, 1732346, 1799840, 1979824, 2474780, 2519776, 2828320, 3149720, 3464692, 3959648, 4330865, 4949560, 6299440, 6929384, 8661730, 9899120, 12598880, 13858768, 17323460, 19798240, 27717536, 34646920, 69293840, 138587680]

約数ペア:

[(1, 138587680), (2, 69293840), (4, 34646920), (5, 27717536), (7, 19798240), (8, 17323460), (10, 13858768), (11, 12598880), (14, 9899120), (16, 8661730), (20, 6929384), (22, 6299440), (28, 4949560), (32, 4330865), (35, 3959648), (40, 3464692), (44, 3149720), (49, 2828320), (55, 2519776), (56, 2474780), (70, 1979824), (77, 1799840), (80, 1732346), (88, 1574860), (98, 1414160), (110, 1259888), (112, 1237390), (140, 989912), (154, 899920), (160, 866173), (176, 787430), (196, 707080), (220, 629944), (224, 618695), (245, 565664), (280, 494956), (308, 449960), (352, 393715), (385, 359968), (392, 353540), (440, 314972), (490, 282832), (539, 257120), (560, 247478), (616, 224980), (770, 179984), (784, 176770), (880, 157486), (980, 141416), (1078, 128560), (1120, 123739), (1232, 112490), (1540, 89992), (1568, 88385), (1607, 86240), (1760, 78743), (1960, 70708), (2156, 64280), (2464, 56245), (2695, 51424), (3080, 44996), (3214, 43120), (3920, 35354), (4312, 32140), (5390, 25712), (6160, 22498), (6428, 21560), (7840, 17677), (8035, 17248), (8624, 16070), (10780, 12856), (11249, 12320)]