319044560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 773760000

約数和(自身を除く): 454715440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 515, 620, 824, 1030, 1240, 1249, 1648, 2060, 2480, 2498, 3193, 4120, 4996, 6245, 6386, 8240, 9992, 12490, 12772, 15965, 19984, 24980, 25544, 31930, 38719, 49960, 51088, 63860, 77438, 99920, 127720, 128647, 154876, 193595, 255440, 257294, 309752, 387190, 514588, 619504, 643235, 774380, 1029176, 1286470, 1548760, 2058352, 2572940, 3097520, 3988057, 5145880, 7976114, 10291760, 15952228, 19940285, 31904456, 39880570, 63808912, 79761140, 159522280, 319044560]

約数ペア:

[(1, 319044560), (2, 159522280), (4, 79761140), (5, 63808912), (8, 39880570), (10, 31904456), (16, 19940285), (20, 15952228), (31, 10291760), (40, 7976114), (62, 5145880), (80, 3988057), (103, 3097520), (124, 2572940), (155, 2058352), (206, 1548760), (248, 1286470), (310, 1029176), (412, 774380), (496, 643235), (515, 619504), (620, 514588), (824, 387190), (1030, 309752), (1240, 257294), (1249, 255440), (1648, 193595), (2060, 154876), (2480, 128647), (2498, 127720), (3193, 99920), (4120, 77438), (4996, 63860), (6245, 51088), (6386, 49960), (8240, 38719), (9992, 31930), (12490, 25544), (12772, 24980), (15965, 19984)]