128337080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 309744000

約数和(自身を除く): 181406920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2389, 2686, 3160, 4778, 5372, 6715, 9556, 10744, 11945, 13430, 19112, 23890, 26860, 40613, 47780, 53720, 81226, 95560, 162452, 188731, 203065, 324904, 377462, 406130, 754924, 812260, 943655, 1509848, 1624520, 1887310, 3208427, 3774620, 6416854, 7549240, 12833708, 16042135, 25667416, 32084270, 64168540, 128337080]

約数ペア:

[(1, 128337080), (2, 64168540), (4, 32084270), (5, 25667416), (8, 16042135), (10, 12833708), (17, 7549240), (20, 6416854), (34, 3774620), (40, 3208427), (68, 1887310), (79, 1624520), (85, 1509848), (136, 943655), (158, 812260), (170, 754924), (316, 406130), (340, 377462), (395, 324904), (632, 203065), (680, 188731), (790, 162452), (1343, 95560), (1580, 81226), (2389, 53720), (2686, 47780), (3160, 40613), (4778, 26860), (5372, 23890), (6715, 19112), (9556, 13430), (10744, 11945)]