18492039160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{245513}}^1$

素因数の和:245800

約数の個数: 64

約数和(自身を含む): 47727921600

約数和(自身を除く): 29235882440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 1076, 1345, 1883, 2152, 2690, 3766, 5380, 7532, 9415, 10760, 15064, 18830, 37660, 75320, 245513, 491026, 982052, 1227565, 1718591, 1964104, 2455130, 3437182, 4910260, 6874364, 8592955, 9820520, 13748728, 17185910, 34371820, 66042997, 68743640, 132085994, 264171988, 330214985, 462300979, 528343976, 660429970, 924601958, 1320859940, 1849203916, 2311504895, 2641719880, 3698407832, 4623009790, 9246019580, 18492039160]

約数ペア:

[(1, 18492039160), (2, 9246019580), (4, 4623009790), (5, 3698407832), (7, 2641719880), (8, 2311504895), (10, 1849203916), (14, 1320859940), (20, 924601958), (28, 660429970), (35, 528343976), (40, 462300979), (56, 330214985), (70, 264171988), (140, 132085994), (269, 68743640), (280, 66042997), (538, 34371820), (1076, 17185910), (1345, 13748728), (1883, 9820520), (2152, 8592955), (2690, 6874364), (3766, 4910260), (5380, 3437182), (7532, 2455130), (9415, 1964104), (10760, 1718591), (15064, 1227565), (18830, 982052), (37660, 491026), (75320, 245513)]